Millions of years later, Optimus was one of the thirty-five Autobots rebuilt into modern machines by the ship"s computer. Some time later, Jazz reported that he had spotted Decepticon activity at a nearby construction site. Optimus decided to take a proactive angle to their war with the Decepticons, and led the entirety of his troops to the Decepticon base. Once there, they found themselves allowed in by Megatron, feigning a friendly demeanor. Not fooled by Megatron's claims that he was making an honest living heading a construction company, Optimus engaged the evil robots in combat, before being blasted out of the Decepticon base. Optimus and his troops were sent tumbling down the cliffside beneath their feet. The Autobots suffered only minor damage from the fall, and after getting patched up, moved out once more to stop Megatron's plan, now well under way. Megatron was holding millions of humans hostage in a bid to get the Earth to surrender unconditionally to the Decepticons.
Labeled as a "Triple Changer", Striker Optimus is a redeco and retool of Dark of the Moon Supreme Class Jetwing Optimus Prime, with new weapons. The base figure has most of the same mold changes as Jetwing Optimus Prime (see below), but has been altered further; in particular, the transforming smokestacks and fuel tanks/ion blaster parts have been replaced with retooled regular tanks that now function as mounts for the new accessories. The colors on the toy are darker than Jetwing Optimus, with a different flame deco that extends farther along the sides of the toy. Additionally, two new 5mm holes have been added to the gray hinge behind the cab in order to accommodate the Toys R Us Japan-exclusive battle blade accessories. The "I am Optimus Prime" saying of Buster Optimus Prime has also been replaced with the "We must stop the Decepticons!" saying of 2010 Transformers Optimus Prime, although batteries are not included.
1· To calculate the average price per piece in a year, I took the price per piece of each set made that year, multiplied it by the number of pieces in the set and then averaged all the weighted prices. I used a weighted average because when we are looking at the price per piece we are essentially saying we could buy x number of pieces for y dollars. Larger sets tend to have a lower price per piece so in effect you could get more pieces at that lower price that year. Note: this was done using US retail price data from Brickset.
In lieu of combining with the Prime Force, Optimus Prime can also merge with Energon Wing Saber in a similar fashion, with Wing Saber splitting into four components that connect to Prime as limbs. Wing Saber's red and white torso components can become arms for Prime while his legs attach to Prime's own, creating Prime's "Flight Mode", but the parts can also be swapped around, with Wing Saber's legs deploying large missile launchers and becoming arms to make Prime's "Fight Mode". Alternately, Prime can combine with Energon Omega Supreme to form what his packaging calls "Powerlinx Omega Supreme", but which the cartoon named "Optimus Supreme". The Prime Force drones can attach to four connectors on Optimus Supreme's body.
With the major threats taken care of, Optimus Prime turned his and the Autobots' attention to identifying and shutting down the rogue projects taking place across Earth using stolen Binaltech technology and secrets. It was during one of these missions that Optimus Prime faced off against Nemesis Prime, both in Binaltech Dodge Ram forms. Initially, things looked bad for Optimus Prime, as he was no match for his opponent's spectral armor. However, the Protector merged with Prime, and the enormous power that resulted allowed Prime to reflect Nemesis Prime's final attack, obliterating the evil Decepticon. Optimus Prime recalls the union of the two sparks being familiar, from an event in the distant past. Optimus Prime is reassured by the Protector about "the seeds of the future" and the Protector is revealed to be Optimus Primal.
Optimus Prime is a redeco of Revenge of the Fallen Optimus Prime with predominately red forearms and red/silver thighs, which it was meant to be a Generation 1-inspired deco. He comes bundled with redecos of The Fallen, Megatron, Jetfire, and Starscream in a Kmart-exclusive five-pack. To date, this is the only Hasbro release of this figure that acknowledges the combining feature between Jetfire and Optimus Prime.

Super class Energon Optimus Prime transforms into a Cybertronic short-nosed truck cab. A switch on his back offers four selectable sound effects, each one corresponding to one member of the Prime Force, the four drone vehicles contained within Prime's parallelogram-shaped trailer. A tiny, slightly recessed button above the switch activates the sounds. When Prime transforms to robot mode, the trailer stands upright to become a launch base of sorts for the Prime Force, with three of the trailer's four storage compartments featuring launching mechanisms that propel the vehicles into action. The Prime Force consists of Fire-1, a fire truck with an extending ladder and rotating turret; Copter-2, a helicopter with spinning rotors; Digger-3, a drill tank with a gear-wheel-activated spinning drill; and Submarine-4, a submarine with opening capture claws beneath its bow. The four interchangeable drones can combine with Prime to create his Super Mode; any drone is capable of forming any limb. When in Super Mode, Prime's chest panels are opened, in turn pressing a button on his side that creates more electronic sounds and lights up a red LED in his chest, representing the Spark of Combination.
In 2003, Takara introduced the Masterpiece MP-01 Convoy/Optimus Prime. While retaining the original concept of a transforming semi-trailer truck, this die-cast figure incorporated modern toy manufacturing techniques for improved detail and articulation, while, at the same time, captured the look of the cartoon character. It has since been released by both Hasbro and Takara Tomy in different variations. In 2010, a version of the Masterpiece toy, called Masterpiece Convoy Sleep Mode, was released, painted in dark colors to match the appearance of Optimus Prime after his death in the 1986 film.[21]

The figure has useful swivel joints at the shoulders and neck, and not-so-useful ones at the wrists and knees. It comes fully painted and pre-assembled, but true to his garage figure origins his Ion blaster must be cut free using a hobby knife, then assembled. His clear blue chest window piece is removable to allow the installation of his Matrix of Leadership, as is a Movie-style Matrix cover (not pictured). He also comes with an alternate hand that allow him to hold his accessories, as well as unpainted and uncut duplicates of his Matrix, hands and helmet, for some reason...
Hot Rod would make his first IDW Publishing appearance in a Spotlight issue focusing on him. In this, he was shown to be newly promoted to command of a group of Autobots including Gizmo, Backbeat and Dealer, who had been sent to secure the Magnificence, a device of some sort that could predict the future. Getting past the guardians, Hot Rod was swapping it with a fake to prevent the Decepticons from getting their hands on it when a seeming Decepticon ambush wiped out his squad. Determined to rescue the only survivor, Dealer, Hot Rod staged a daring solo rescue mission that managed to rescue Dealer - unaware that he was really Doubledealer, a Decepticon spy sent by Banzaitron to retrieve the Magnificence and now out to find where Hot Rod had stashed it.[10]
Refractor and Laser Prime were only available in a box set named "Chaos on Velocitron" that includes Dynamus and Quickswitch, Parsec and Autobot Nautica, Fastclash, and a Rodimus Prime Titan Master head. The set was officially announced by Hasbro to be a Toys"R"Us exclusive, and was sold at stores in the United States, Canada, and Hasbro's Asian markets (such as Malaysia, Singapore, and Hong Kong). Despite this, it later became available via Amazon in the United States (but not in Canada) as well, actually sold by Amazon directly (as compared to a third-party seller).

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.
Exclusive to LDH Shop, this redeco of the Music Label Convoy toy is utterly ridiculous and was created as a promotion for the Japanese pop band EXILE. While Convoy himself has EXILE written on his right forearm, his trailer sports the "Love Dream Happiness" tagline of LDH Inc.[1], as well as the "EXILE Perfect Year 2008" logo of the "EXILE Perfect Year 2008 Ultimate Best Box" boxset, which was released some months after he was.
The seldom seen 5th season re-airing of the show featured the G1 episodes retold by a stop-motion Powermaster Optimus Prime to the live-action youngster Tommy Kennedy. Although no back story was ever provided for how Prime became a Powermaster, the new sequences are said to take place after the four previous seasons. This indicates that Prime became a Powermaster in the original Sunbow continuity.

In the animated series, Optimus Prime was originally in the Autobot Academy and friends with Sentinel Prime and Elita One. When Elita is lost on a planet dominated by giant spider-like aliens, he blames himself for leaving her behind, where she supposedly dies in the explosion of a wrecked Decepticon warship loaded with Energon. Sentinel doesn't forgive him for losing her and Optimus takes full responsibly for Elita's demise. Ultra Magnus, who had high hopes for him, expels him and thus bars him from any position of the Elite Guard. However, Magnus pulls some strings so that Optimus could be captain of a strange Space Bridge repair crew composed of an old grumbler of a war vet named Ratchet, a fledgling Bumblebee, and his fellow cadet, Bulkhead. Optimus is given command of the starship Omega Supreme.
Kiss Players Convoy is a redeco of Alternators Optimus Prime. Unlike the Alternators version's bare red plastic, he is covered in a deeper red paint. Some of his body parts are cast in different colours, such as his shins, and has a much more intricate paint deco based upon Masterpiece Convoy. He is armed with his small engine pistol and a pink surfboard that can be reconfigured into either two small blades or a large double-bladed sword.
Shortly after reaching the other shore and taking out Skywarp, Prime witnessed the gigantic Bruticus bust out of the Terrordrome and attack everything around him. With Superion gone, Prime knew that there was only one way to stop this rampaging monster, and ordered his Autobots to evacuate the humans while he went looking for the Matrix of Leadership. He soon found that Snake-Eyes was in possession of the artifact, but was under attack from Megatron. Prime attacked Megatron, keeping him at bay while telling Snake-Eyes that destroying the Matrix would kill Bruticus. The ninja complied, only to learn that Optimus had left something out of the story: smashing the Matrix would kill all the Transformers, including Prime himself. Looking at the Autobot leader's body, the Joes knew that Prime had been aware of this, and had deemed it a necessary sacrifice to save the humans. The Iron Fist
The all new 2006-2007 Classics line featured characters from the original series in updated forms. Hot Rod (now called Rodimus due to trademark reasons) was in the first wave of Autobots along with Optimus Prime and Bumblebee. Due to most of the Classics lacking visible Autobot and Decepticon insignias, this figure lacks the distinctive Autobot symbol seen on the chest of all other versions of Hot Rod/Rodimus, to which fan companies have responded to with alternative stickers. His vehicle mode is based on an obscure Japanese Supercar, the Dome Zero, manufactured by DOME Co. Ltd in 1978.[citation needed]
The Hasbro release comes with a pack-in file card. In addition to the regular version, Optimus was also released in a special "advance release" assortment alongside Bulkhead, Megatron and Starscream, with each figure including a mini-DVD that contains the Transformers: Prime episode "Masters & Students". Yes, all four of them come with the same episode.
Prime filled one of the chase figure slots for the tenth wave as well. This rare figure was the same as the regular Super Mode PVC, except instead of wielding his Convoy Gun, Prime was armed with the Star Saber sword. As with the previous chase figure, it could only be found in one out of every ten cases, and took the place of the full-colour Prime figure in that assortment.

The Autobots continued to guard humanity in secret for many years, until one day in the 21st century when Ratchet was captured by a human group known as Skylogic Systems. Upon investigating the organization, Optimus Prime and Bumblebee came into contact with the Lone Gunmen, three humans who were also on Skylogic's tail for their role in creating a dangerous virus. Learning from them that Ratchet's DNA was part of the concoction, the Autobots joined forces with the humans and helped track down David Simmons, the man responsible for releasing the virus. One interrogation later and they had the address to the Skylogic base, though Prime's size prevented him from easily infiltrating the building, so he left the rescue mission up to Bumblebee and the Gunmen. Once Ratchet was saved, the Autobots parted company with their new human friends in an attempt to lure away any Skylogic pursuers. The X-Files: Conspiracy: The Transformers
If Optimus ordered his troops to come to the humans’ aid, they found themselves taking part in a struggle in futility, as the entire town was near-weightless, meaning they couldn’t put the humans anywhere where they wouldn’t float away once more. Then, the Autobots heard Decepticons approaching. Helpless in their current position, the Autobots were quickly eradicated by the Decepticons.
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