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.
A black and red version of the First Edition deluxe Optimus Prime could be seen in the San Diego Comic-Con 2011 Transformers slide show, inside a mock-up of the wearable Matrix of Leadership package done for the convention that year. This figure was presumably a test-shot, as it seems to share plastic colors with Generations Sky Shadow (who was, coincidentally, first revealed at that same Comic-Con).
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.

This exclusive redeco of Optimus Prime features darker shades of red and blue than his other releases and has extensive paint applications to resemble his on-screen appearances in The Last Knight, particularly his Nemesis Prime alter ego seen in the film. To that end, he features movie-accurate flame patterns, which are larger and more elaborate then the ones on the regular release or the SDCC exclusive, on his vehicle mode exterior and robot pectoral armor. His eyes and sword are also painted metallic purple, but his shield is completely unpainted for some reason.

Optimus later led a convoy in search for a building site for Autobot City, which ran into a Decepticon ambush. Rodimus Prime remembers the Transformers greatest battle on Earth. He sent off several Autobots to get help, knowing this was the only chance of victory. Transformers Combat Data Those several Autobots were seen again, but Prime... wasn't.


Optimus Prime and his troops lay deactivated on the Fera Islands for three million years until G.I. Joe stumbled upon them one day in 1939. The Line The Autobots were reactivated by a repair drone and given new disguises, with Optimus Prime being reformatted into an unknown World War II-era human vehicle. He explained to Duke who they were, and learned that Megatron's Decepticons had been reactivated a year prior, and were currently wreaking havoc on Europe along with Cobra. While hesitant at first, Optimus Prime soon joined G.I. Joe in their mission to destroy Cobra and the Decepticons. Transformed After commanding the Aerialbots to get the Seekers out of the way, Prime advanced across the Fera Islands, but met resistance in the form of Rumble. Trial by Fire
This. Is. Awesome. I remember running LEGO piece auctions ~1998/99 on RTL (rec.toys.lego) then later my own website. I’d buy sets at Walmart and other places on discount, break them out, and sell the pieces as lots. I knew I’d always make good money if I could average < $0.10/piece cost (ideally around $0.07) and sell for $0.15 – $0.20+ … fun times!
General Optimus Prime later attended a meeting of the Convoy held by Starscream. There, he assured the others present that he had been mistaken about the rumored Megatron's identity. Starscream was convinced, but the rest of the Convoy were savvy to the truth. The other Optimuses supported General Optimus Prime's decision, stating that if C-81 had earned the General's trust, that was good enough for the rest of them. Optimus was later seen hanging out with Spy-Eye on his off-time. Cybertron's Most Wanted
Over the course of the next twenty years, the Decepticons succeeded in seizing control of all of Cybertron, forcing the Autobots to operate from their new city on Earth and two bases on Cybertron's moons. In the Earth year 2005, Prime, stationed on Moonbase One, dispatched troops to Earth to acquire energy for an upcoming strike on Cybertron. The Decepticons, however, got wind of the plan and used the shuttle run to attack Autobot City. A distress call summoned Prime and support troops to Earth. In the fearsome, ensuing, epic battle with Megatron, Optimus Prime sustained fatal wounds, but not before turning the tide of battle and forcing the Decepticons to flee. Despite the efforts of Perceptor, Optimus Prime went offline after passing the Matrix and role of leader to Ultra Magnus. His last words were "Until that day... 'till all are one." The Matrix later fell into the hands of Galvatron, a recreated Megatron, and was finally taken back by the young Autobot Hot Rod, who became Rodimus Prime after bearing the Matrix. In season 3, set a year after the events in The Transformers: The Movie, Rodimus was the new leader of the Autobots.
The "Breakout Battle" set includes another take on a screen-accurate "Scrapyard Optimus Prime", featuring a brown paint wash on tan plastic. The set was a shared exclusive between Toys "R" Us, online retailers such as Big Bad Toy Store, and Myer in Australia. The set was released in Australia, Singapore, and Canada but never actually made it to retail in the U.S. The set also includes Rollbar and a Vehicon.
Another Hasbro release of the MP-10 mold, which is basically a reissue of the 2010 Transformers line's Masterpiece Optimus Prime, but with the Japanese release's ID Number. Surprisingly he is NOT mistransformed on the initial official photography... until secondary stock photos had the vehicle mode slightly mistransformed. Unlike the original, Hasbro version, this version features silver paint on the interior of the trailer. This version also removes the red paint on the die cast hinge piece in his body and replaces it with blue paint. Sadly, this figure doesn't come with the Key to Vector Sigma. Due to compact packaging, the trailer is prone to scuffing.
On another plane of existence, Optimus travelled the path to the Matrix, guided by the voice of his old mentor Alpha Trion. The path led him to Grimlock, who had also been killed by Megatron; Prime rescued Grimlock from Kremzeek, the demonic eater of souls. At the gateway to the great beyond, they encountered Bludgeon, who announced that only those who bore the "key to Vector Stigmata" may pass through. Prime realized that the wounds on his body form the key, but the angel insisted that these would grant Prime access. Prime took Grimlock's sword and bestowed the key on Grimlock, allowing the former Autobot King to ascend into the Matrix while Prime stayed behind. Transformers vs. G.I. Joe #12
Prime got his own rap segment. He was seen in his "Combat" toy body, waiting for Megatron as he attacked a human subdivision. Prime converted to robot form, blew up Megatron's weapon at point blank range, and slugged it out with him. Apparently emerging victorious, he was next shown sitting next to an identical truck, which kid mistook for the real thing. The real Prime then transformed and picked up the kid, inspecting the human with his cold, lifeless, flashing red optics. Combat Heroes commercial
Optimus found himself carrying into battle many miniature robots and machines to the battlefield in the palm of his hand. Among these was a Micromaster city, Micromaster micro bases commercial, the Race Car Patrol, Micromaster Patrols commercial and the Hot Rod Patrol. He and Jazz checked out the Hot Rod Patrol, and Optimus wondered if they could transform. Hot Rod and Construction Patrol commercial
Released in the latter stages of the Cybertron toyline, this redeco of the Leader-class Optimus Prime figure introduced a new colour scheme that several other tail-end releases would emulate. Taking its name from the Japanese version of Cybertron and with a bio noting that this new body depicts Prime after he embarks on his galaxy-spanning mission at the end of the Cybertron cartoon, "Galaxy Force" Optimus Prime replaces the original toy's blue parts with black and the translucent blue with smokey clear, and moulds several—but not all—grey parts out of red plastic, including the toy's rifles, rail gun covers, missile launchers, and Super Mode leg guns. In the realm of new paint operations, Prime now sports all four Cyber Planet Key symbols on his shoulders, and his unique Matrix-shaped Cyber Key (now with the code lo9x) finally has a gold-painted border, as it had always had in Japan. Additionally, Prime's hip joints were tightened up with this release, making it easier to stand him up in Super Mode.
I mean you could argue that they are returning to the way the original Transformer toys worked. Here is an example of the OG Optimus toy. I went to Hasbro's website to see what the most current version of Optimus is that they are selling and I found this. That actually looks surprisingly similar, though I would argue they have gone more of the direction of making the robot look more robotic and the truck a little less truck like but its still a solid middle ground.
The new One-Step Optimus Prime toy transforms from a trailer truck into a robot in just one easy step! The toy features a similar transformation to the other One-Step Optimus Prime and One-Step Changer Movie Hound. The figure is only available as a "Special Edition Figure" in a 6-pack with the One-Step figures of Bumblebee, Steeljaw, Grimlock, Sideswipe, and Underbite, all of which are unchanged from their individual releases. This set was exclusive to Target stores in the United States and to Toys"R"Us stores in Canada.
An all-new Leader class figure of Optimus Prime, featuring a robot design and transformation that is closer to its film counterpart than the 2007 toy version. Features retractable blades on both forearms. New "MechAlive" feature consists of visible moving gears in the chest behind the cab windows. At the push of a button on the back of the cab, the truck mode emits an engine idling sound. The transformation sound is played when the upper torso and lower torso are connected. A recording of Peter Cullen saying, "I am Optimus Prime!" is played when his chest is pushed upward via a lever on his waist.[97]
In 2003, Transformers: Armada launched a pivotal new era in the toy line. After several lines of toys produced by one company or the other, Hasbro and Takara united to produce what was purported to be a single, identical line of Transformers for release worldwide. In tandem with this new endeavor, Armada signaled a new continuity in its accompanying animated series and a new focus in both the show and the toys on Mini-Cons, a new faction of Transformers. The Mini-Cons were much smaller robots (not much larger than humans) who were neutral in the Autobot/Decepticon fight, but due to their incredible power and abilities, were sought by both factions.

In a world where the Transformers' war settled into a series of friendly competitive races known as the Transformers GT, Optimus Prime became the GT Transformer known as GT-R Prime. As a racer he was known for his serious but sometimes hot-blooded personality and his skillful use of the Impact Wrench Gun, though he maintained an honorable policy never to fire directly at an opposing racer's body. Like other racers, GT-R Prime put a limit on his own strength by separating his Matrix into a GT Sister, creating his partner Misaki.

In addition to the small engine-pistol of his Alternators figure, Prime comes with the "Surfblade", a pink surfboard that can be reconfigured into either two small knives or a large double-bladed sword. As with all the Kiss Players figures, Prime also comes with a PVC figurine of a cute girl: in this case, Marissa Faireborn, who can perch upon his shoulder or sit in his driver's seat, and comes with two pairs of interchangeable arms and legs. Additionally, the set includes a CD featuring the first five episodes of the Kiss Players radio drama, as well as the exclusive bonus audio adventure, "Someday, Under the Sun."


After a period of effective leadership, which saw the activation of several new Transformers including the Aerialbots, who Prime infused with life using the Matrix, Prime engaged Megatron in a video game duel for possession of a super fuel. Prime was victorious, but Megatron implemented a cheat code that killed Prime later. Autobot surgeon Ratchet's subsequent efforts to restore him were unsuccessful, and his body was launched into space. The Autobots were unaware of the presence of the physical Matrix within the corpse. The funeral barge eventually crashed on a giant moon and, as it lay there for an untold time, the Matrix reached out to nearby living organisms, studying and recreating them.


Ten years after Unicron's defeat, Cybertron was seemimngly at peace, but Optimus still feared another attack from Unicron. Although the Autobot High Council dismissed his fears, a mental link with Primus confirmed that Unicron was still alive. Megatron's disembodied spark, trapped within the chaos-bringer, called out to Prime. Events overtook Prime as Unicron's four Horsemen, Rhinox, Airazor, Cheetor, and Terrorsaur, attacked Cybertron, devastating it. Prime's link with Primus allowed him to upgrade himself into his Energon form and drive them off.
In the event that Windcharger successfully turned the Decepticons’ forcefield off, reinforcements burst into the base just as Megatron was strike Optimus from behind. A wayward shot from Megatron then revealed the location of the gravity gun to the Autobots. Optimus ordered his troops to charge the weapon. Hook caught Optimus in the gravity gun’s sights, and sent the Autobot leader floating upwards.
Punch reported back to Optimus on what he had learned about the Decepticons as Counterpunch. Mainly, that they were planning on attending BotCon 2010. Optimus then turned to Teletraan I for more information about BotCon. Upon learning that special honors would be held for him at the convention, Optimus led his troops to BotCon once more. BotCon 2010 Promo
Optimus Prime appears in the prequel novel Transformers: Ghosts of Yesterday, where he and a group of Autobots travel in the Ark searching for the Allspark, battling Starscream's Decepticons along the way. While going through a worm hole, the Autobots find themselves encountering a group of humans in a spacecraft reverse-engineered from studying Megatron. With this discovery, Prime realizes the significance of Earth, as both Megatron and the Allspark are there. After saving Bumblebee from a pit of rock-chewing cave worms, Prime battles Starscream. He is about to be gunned down by Starscream and Bonecrusher when he is saved by the human craft. In retaliation, Starscream obliterates it.
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.
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