A nice article but I see a few flaws. First of all if the distribution of LEGO sizes/prices is increasingly skewed it is better to either split the sample or look at medians or rolling medians than averages. Secondly, this is a perfect case to run a regression panel regression with time dummies to see both the impact of time and the impact of size on the prices.
The first generation Optimus Prime transforms into a Freightliner FL86 cab over semi truck.[3] Within his chest is a mystic talisman, known as the Autobot Matrix of Leadership or the "Creation Matrix", carried by all Autobot leaders.[4] When Optimus transforms, his tractor cab disconnects to become a sentient robot, and his trailer opens to reveal an ion blaster, forming a combat deck.[5] The combat deck supports a mobile battle-station and command headquarters armed with assorted artillery and beam weapons that fire automatically. The combat deck can also serve as a radio antenna for battlefield communications between the autobots. The combat deck also included "Roller", a mobile scout buggy meant to scout behind enemy lines. When Roller is deployed, Optimus can see and hear what Roller sees and hears.[6] Injury to one component is felt by each of the others. If the combat deck or Roller were to be destroyed, Prime could survive. However, despite the slight degree of autonomy they possess, the combat deck and Roller would not be able to survive without Optimus.
In the two-part episode "Megatron Rising", Optimus loses his composure over the recent numerous Decepticon attacks coupled with the fact that Prowl had secretly placed the Dinobots on an island off the coast of Detroit instead of destroying them. He has Ratchet confiscate the Allspark key from Sari, which he loses when he is ambushed by Blitzwing. Optimus also fails to stop a newly resurrected Megatron from acquiring the Allspark. He defeats Megatron by overloading the Allspark in his chest with Sari's key. In the process, the Allspark shatters into countless pieces, scattering all across Detroit.
The Power Plus series are similar to the Power series, except these come with the core that unlocks extra features. The Bumblebee figures in this series are nearly the same as the Power series versions (Camaro ‘Bee’s Power Plus figure has his unmasked head), so if you’re going to get them, and you want the cores, go with these versions. If you want Optimus Prime at this size, though, you’ll have to go with this version.
Based on Optimus Prime's Cybertronian form as seen in the Dreamwave comic book "The War Within", this version of Prime transforms into Cybertronian truck. The figure was personally designed by comic artist Don Figueroa, who created the original comic design in the first place, and his signature is left on the figure in the most literal way: the word "DON" can be seen sculpted into the barrel of his silver ion blaster.
This Asian-exclusive redeco of AM-01 Optimus Prime features a sticker-less, extensive paint-job, coating his red parts and half-translucent arms in glossy metallic paint, painting his torso, shins, grille, fenders, and wheel rims silver, painting half of his feet in glossy black, having painted headlights, and featuring a unique "snake" insignia on his roof/right shoulder-pad, due to 2013 being the "Year of the Snake". O.P comes pre-assembled, lacks stickers, and features paint operations.
This is a weird one. Back in the late-’80s, the original TV show had ended and Marvel Comics decided to take the “transform” part of the property a step further and gave a handful of Transformers an organic, human-looking shell. Bumblebee was one of the lucky Autobots to get one. According to the storyline, the Decepticons developed the technology first, but the Autobots secretly caught wind, made their own human shells, and fooled the bad guys into thinking they were fighting mere humans, until they burst out of their shells.
A larger version of Prime, with Advanced Automorph technology and a more complex transformation procedure. Has two sets of electronic sounds and lights that activate when the head pops up or when you press a button on the roof (in truck mode), and a single projectile weapon that can swing over the toy's right hand. Unlike Megatron (whose head is fixed) and Brawl (whose head is connected with a ball joint), Prime's head is limited to side movement due to the circuitry on his LED eyes. This figure has a folding cannon and a firing missile.[76] With this figure standing nine inches tall and Optimus being 28 feet (336 inches) tall, the toy is about 1/37 scale.
This gold vacuum metallized version of Optimus Prime is a prize in Hasbro's Asia Age of Extinction campaign. To qualify for winning this toy, one must be the biggest spender of the day during the midnight launch of the AoE toyline at specific Toys R Us or participate in a lucky draw. This toy is limited to 7 pieces. 2 are in mainland China, while Hong Kong, Malaysia, Thailand, Singapore, Taiwan each have one.
In "Sick Mind", Optimus is infected with the life-threatening Cybonic plague, prompting Arcee and Bumblebee to infiltrate the Nemesis to find a cure for the virus Megatron himself created. As Optimus grows weaker, he learns of Megatron's survival of the space bridge explosion. It was Bumblebee entering Megatron's mind via cortical psychic patch and retrieving the cure that saved Optimus. In the next episode, "Out of His Head", Optimus is, surprisingly, saved by the revived Megatron when he intercepted Starscream's attempted nosedive to kill him.
Aside from the Powermaster feature itself, the main gimmick of the toy is the ability of the truck cab to combine with the trailer to form the larger "Super Optimus Prime" figure. This is essentially accomplished by standing the trailer up, folding the cab in half and inserting it into the empty cavity in the trailer's torso, forming an imposing—if almost entirely unposeable—robot form armed with all four weapons. The head of this super robot form is a separate piece which can be stored in the rear of Prime's trailer when not in use. While Hi-Q was always shown plugged into Prime's chest in artwork of this mode (as seen in the picture here), this was actually entirely unnecessary as transforming into Super Optimus Prime didn't require the standard Prime toy's legs to be unlocked.
The Japanese version of the toy, named "Optimus Prime Revenge Edition", was exclusively available at Tokyo Toy Show 2009, and later also from e-HOBBY. Despite being sold in Hasbro packaging like the mass retail Revenge toys in Japan (plus the addition of Japanese stickers marking it as a Japanese market release and containing Japanese safety warnings and manufacturer information), it slightly differed from the Hasbro version insofar as it lacked the tampographed kanji lettering.
Part of the new Generations Cyber Battalion series, Optimus Prime is a new mold which stands 7 inches tall, and transforms from a truck (which is based on the Generations Thrilling 30 Legends Class Optimus Prime figure) into a robot in just 7 simple steps. The figure's transformation engineering had taken cues from the Reveal the Shield Legends Class Optimus Prime figure, while it still retains the same ol' articulation.
In this universe, Optimus Prime transforms into a fire engine. The front section of the vehicle detaches and becomes Prime himself, armed with "Blaze Blaster" cannons. To attack, he is able to use his headlights, known as the "Fire Flash" attack, and leg wheels, known as the "Gyro-Strike". The rest of the vehicle transforms into a mobile battle station/refueling port/communications array and can combine with Prime as additional weapons and armor, forming his super mode referred to as "Super Fire Convoy". The ladder/hose section houses Prime's Power Stream water cannon, capable of shooting freezing streams of water, called his Blizzard Storm attack. It also contains a quartet of rocket launchers. In super mode, his feet contain missile launchers than can mount to the shoulders of his regular robot mode. In this mode, he can fire his fists for his "Flying Fist" attack.
As the figurehead of the entire Transformers franchise, Optimus Prime has been on more pieces of merchandise than can be stated here. Several statues and busts of Optimus Prime as well as Optimus Prime themed objects have been released by various companies since the return of transformers to prominence, such as the "Optimus Prime Oral Care Station". Other figures released include various PVCs as part of Takara's "Super Collection Figure" line, which were later imported as part of Hasbro's "Heroes of Cybertron" series. Larger "Mega Collection Figure" PVCs were articulated and came with energy axe and gun figures.
We know that despite starting his fictional life as a lovable, horn-headed robot who could turn into a Volkswagen in Generation 1, Bumblebee's most well-known these days as a round-headed robot who turns into a Camaro. In fact, younger viewers might not even realize he was ever anything but the Chevy muscle car. But there’s one quirky continuity where he’s able to switch between original and movie modes at will.
In the United States, Canada, and Hasbro's Asian markets, Masterpiece Movie Series Optimus Prime was exclusively available from Toys"R"Us, whereas in Spain, he saw a wider release, being at least available via the Spanish subsidiaries of Amazon and Carrefour. It's currently unknown if he was also available in stores, or limited to online purchases. In Greece, he was officially available via at least one toy store chain, aptly named simply "Toys-Shop", but again might have been available online only.
Platinum Edition Optimus Prime was only available as part of a 2-pack with Megatron, named "One Shall Stand, One Shall Fall" after Optimus Prime's famous line in the movie. In the United States and Canada, this set was officially released as an Amazon exclusive. It was also available in several of Hasbro's Asian markets (namely the Philippines and Singapore; it's currently unknown whether it was exclusive to any particular stores there or not). In Australia, it was sold at Myer stores, whereas in the United Kingdom, it was both sold at Toys"R"Us stores and available via Tesco's website (but never found in stores). Surprisingly, it was (and still is) a common find in Brazilian online stores.

While the other Autobots searched for the Matrix on Earth, Optimus Prime searched for Vector Sigma, guided through the dangers of the planet's catacombs by the spirit of Alpha Trion. Prime eventually arrived at the computer, only to find his way barred by Cyclonus and Scourge. At that moment, Hot Rod arrived with the Matrix, the same with which Alpha Trion merged, re-energizing it. The Matrix transformed Hot Rod back into Rodimus Prime and, for the first time, the two Primes fought side-by-side and defeated Galvatron.

Available in the Timelines "Generation 2" 2-pack alongside Sgt. Hound at BotCon 2015, General Optimus Prime is a redeco of Generations Voyager Class Roadbuster based on the cancelled Generation 2 General Optimus Prime toy. He transforms into an off-road vehicle and comes with numerous weapons, all of which peg via 5mm post onto his vehicle rear/legs, shoulders, upper & lower arms, and hands: a spring-loaded, missile-firing launcher, a pistol, a rifle, and two small cannons that respectively form the scope and stock of the rifle. All of his weapons can combine to form an unwieldy superweapon. It was unknown if this figure has the loose ratcheted shoulder joints from the Legends release of the mold.
After having spent an extended period of time lost on Quintessa, Optimus was returned to Cybertron by the Turbomasters during their efforts to retrieve the similarly lost Flash, who he had been drawn into Perceptor's Dimensional Interface Assembly. The Age of Wrath Pt.5 Though badly damaged, Optimus led an insurrection against the then Megatron-controlled Cybertron, and successfully overthrew his enemy from power, all the while thwarting a Quintesson invasion. The Age of Wrath Pt.6
Optimus and Bumblebee snuck into the Decepticons' base, and found their enemies upgrading themselves with Autobot parts. The pair took offense to this, and Bumblebee set about sabotaging the process. Megatron wound up tripping on some gumballs thanks to the Autobot's mucking about, and Optimus congratulated his fellow Autobot on a prank well done! Intro!
The "Unicron Trilogy" version of Optimus Prime is a fictional character of this branch of Transformers lore. Appearing in Transformers: Armada, Transformers: Energon and Transformers: Cybertron (known as the aforementioned trilogy), Optimus is the leader of the heroic Autobots. He often converted to his super combat mode. In all three series, Optimus' English voice actor is Garry Chalk, who previously voiced Optimus Primal in Beast Wars and Beast Machines.
As part of the merchandising wave for the first Transformers film in 2007, Hasbro's Playskool line released a Transformers-themed version of Mr. Potato Head based on Optimus Prime. To keep with the potato theme, the toy was labeled "Optimash Prime" and the packaging included the slogan "More than meets the fry", a potato-oriented version of the Transformers slogan "More than meets the eye".
In the 21st century reimagining of the original continuity by Dreamwave Productions, Optimus Prime started life as a data archivist known as Optronix, or Orion to his friends. After taking note of a battle where the Autobot leader Sentinel Prime had been killed by Megatron, he was summoned to the Council of Elders and informed that the Matrix had chosen him to be the next leader of the Autobots. He received the Matrix of Leadership shortly thereafter, and arranged for the Autobot evacuation of Cybertron. He intended to leave the Decepticons to their own devices, but a battle with Megatron beneath the planet's surface, accompanied by visions from the Matrix, stirred him on to fight for the safety of his homeworld.
Part of the first wave of Bot Shots Series 1 launchers, this repaint of Optimus Prime comes with a large trailer that pops open to form a battle station with a spring-loaded launching platform. He appears to have the same plastic colors as the single release, and the same set of paint operations, but his paint is done in different shades, having glossy dark blue paint and glossy bright red paint. The black part of his launcher is sculpted to look vaguely like the repair done that is part of Generation 1 Optimus Prime's repair bay.
This highly accurate model kit of Optimus Prime is a Japanese exclusive. It is extremely possible, and comes with his two swords that can be mounted either on his fore-arm, or the hand can be removed and it placed in the wrist via ball joint. His appearance is based on his Dark of the Moon look, as it his "Abbs". The head can be made either with the face-plate on or the face-plate of which reveals a detailed face. Interestingly though, he doesn't come with any of the guns he uses in the films, though it is thought he can hold Buster Prime's gun.

Part of the first wave of Transformers: Robots in Disguise Hyperchange Heroes, Optimus Prime transforms from a futuristic trailer truck to robot in just 3 easy steps! His arms & legs serve as his trailer, while his chest serves as his truck front. He is also one of the few Robots in Disguise Optimus Prime toys which does not feature a faux window chest in robot mode. Both of his arms are articulated with 5mm holes in each hand.
In the past 80 or so years, the yo-yo has seen some pretty mundane innovations, such as a ball bearing axle for better spin efficiency and the addition of flashing lights, to name a few. But finally, someone has rolled up their sleeves and is ready to fuck shit up all over the yo-yo world. Meet the ReGEN; half yo-yo, half MP3 player and just a pinch retarded.
The instructions neglect to mention that the entire roof of the cab is on a concealed hinge which greatly eases the difficulty of Prime's transformation. For whatever reason, the instructions treat the toy as if the hinge does not exist, going so far as to show Prime's head magically clipping through his chest to transform. The instructions also neglect to mention that his heel/bumper pieces must be slid out until they click, making the figure just that bit more stable, and that the rotating truck door panels on his upper arms can be pulled further out (but not off) from their sockets, allowing more space for the panels to swing around his hood-arms during transformation.
At one time, Optimus Prime worked alongside Megatron, bringing order throughout dimensions with the power of SARA. But Megatron was ambitious, and sought to use SARA's power for his own ends. Optimus saved Metropolis from Megatron's rebellion, and the Autobots banished Megatron from Metropolis. Optimus Prime remained behind as the leader of the Autobots. Fate As head of the space-time guardians residing in Cloud World's Metropolis, he was a valiant and powerful leader who commanded the utmost respect from his subordinates. Optimus Prime stood for peace and freedom for all sentient beings in all of time and space. His sense of responsibility in this regard was a bit too great for his own good, as it often left him worrying about things outside of his control.
This Optimus Prime is a somewhat/nearly screen-accurate redeco of the Leader Class figure, but uses the original Leader mold instead of the Armor Knight retool unfortunately. In comparison to the first Age of Extinction Leader Class figure, his vacuum-metalized front truck bumper, sun visors, robot mode chest, smokestacks and side tanks chest was omitted, revealing the grey plastic underneath. His chromed chest was also stripped of chrome for adding paint operations, his shield was unpainted, and both of his sword and truck mode windows were casted in colorless plastic. He also features some extra silver paint on his robot mode forehead, and his white-colored Autobot insignia is slightly tampographed on the left. And lastly, his light-piping eyes is neutered by blue paint.
The trailer unfolds to form a battle station bristling with many firing weapons. Primarily, it can fire an air-powered missile launcher, a ripple rocket launcher with 5 missiles that can be launched individually (this turret can also be mounted in Laser Prime's hand) and a 'disc launcher', that fired several blue plastic discs adorned with the Generation 2 Autobot sigil. This disc launcher is the only weapon that can be used in vehicle mode.
If you're still on the fence about Masterpiece MPM-5 Decepticon Barricade, or are considering purchasing Masterpiece MPM-6 Ironhide (which is also currently available), now might be a great chance to grab this Amazon.com exclusive figure from Hasbro. As of this writing, MPM-5 Barricade is currently on sale at Amazon.com for $52.13, which is 35% off the regular retail price of $79.99. Part of the special deal is that he's also available for "FREE" One-Day shipping for Amazon Prime members. Order - Read More
After his attack on Optimus Prime, Megatron was thrown out of the Ark when Blackarachnia activated the ship's defense systems. However, he was not thrown far enough and the Predacon managed to reenter the Ark and blast the Autobot leader, decisively erasing the Maximals from the timeline. A Change to the Agenda This had the effect of producing a wildly different timeline.
An exclusive to Amazon.co.jp, this redeco of Optimus Prime is bundled with the Japanese release of the Revenge of the Fallen DVD. He is another in a long line of black repaints, swapping most of his red and blue plastic for black, some of his bright grey plastic for a cool grey and blue, and is covered with gold and silver flames. His orange blades are now translucent blue.

If Optimus allowed the cured Autobots to charge headlong into battle, he and the rest of the Autobots who were still running low on fuel stayed behind as back-up to the main charge. The Autobots’ first wave of warriors were quickly overpowered by the arrival of Megatron, prompting Optimus to lead the energy-depleated Autobots into the fray. Optimus’s opening volley struck down Shockwave. Optimus and his troops soon found themselves running on empty, and Optimus called for a retreat. Thankfully, the Decepticons were damaged enough through the course of the battle, causing them to retreat as well.
The toy's primary gimmick is its auto-transforming trailer, which assumes one of three configurations when triggered by an infra-red signal transmitted from the cab robot. Transforming the cab into robot mode will cause the trailer to automatically flip open into a battle station for Mini-Cons, which Prime can stand in the centre of. The base features a central tower with a pop-out artillery emplacement and a mount for Prime's large cannon; a rotating missile-firing turret; two Mini-Con storage bays, one of which featured a manually-activated tab to launch Mini-Cons out; and two live Mini-Con hardpoints, one of which pops up a non-firing turret, the other activating a laser noise.

Released as part of TakaraTomy's Welcome to Transformers 2010 campaign, the "Sons of Cybertron" set includes a redeco of the 2006 Classics "Ultimate Battle" pack Deluxe class Optimus Prime, cast mostly in translucent plastic (his shoulders remain opaque Polyoxymethylene (POM)). He comes packaged with a similarly translucent redeco of Classics Rodimus.
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