
A complete checklist of the Masters of the Universe Origins: Turtles of Grayskull action figure line to help you complete your collection, and explain what parts you need, and how to build the Metal-Boto figure.
MOTU Origins Sublines
Prepare to embark on a nostalgic journey back to the ’80s with a unique fusion of iconic franchises. Teenage Mutant Ninja Turtles and Masters of the Universe, two beloved universes, have finally converged in an extraordinary collaboration by Paramount and Mattel. Welcome to the epic crossover world of Turtles of Grayskull.
Introducing Masters of the Universe Origins: Turtles of Grayskull, a remarkable line of action figures that transports the Turtles and their adversaries into the enchanting realm of Eternia, complete with fitting costume transformations.
METAL-BOTO – Turtles of Grayskull Build-A-Figure (BAF)
GUIDE: How to complete the Metal-Boto Build-A-Figure from Turtles of Grayskull

Parts 1 of 4 –
Included with Mouse-Jaw
Turtles of Grayskull Wave 1
Right Arm, Roboto Arm Attachments

Parts 2 of 4 –
Included with Sla’Ker
Turtles of Grayskull Wave 2
Waist, Legs and Head

Parts 3 of 4 –
Included with Splinter-Skull
Turtles of Grayskull Wave 3
Torso, Shell

Parts 4 of 4 –
Included with 2-BOPSTEADY
Turtles of Grayskull Wave 4
Left Arm, Metalhead Arm Attachments, Feet
| Turtles of Grayskull Wave 1 | Amazon | EntEarth | eBay |
|---|---|---|---|
| Leonardo | Amazon | EntEarth | eBay |
| He-Man | Amazon | EntEarth | eBay |
| Donatello | Amazon | EntEarth | eBay |
| Man-At-Arms | Amazon | EntEarth | eBay |
| Mouse-Jaw (BAF 1 of 4) | Amazon | eBay | |
| Krang | Amazon | eBay |
| Turtles of Grayskull Wave 2 | Amazon | EntEarth | eBay |
|---|---|---|---|
| Ram Man | Amazon | EntEarth | eBay |
| Raphael | Amazon | EntEarth | eBay |
| Shredder | Amazon | EntEarth | eBay |
| Beast Man | Amazon | EntEarth | eBay |
| Sla’Ker (BAF 2 of 4) | Amazon | eBay | |
| Moss Man | Amazon | eBay |
| Turtles of Grayskull Wave 3 | Amazon | EntEarth | eBay |
|---|---|---|---|
| Teela | Amazon | EntEarth | eBay |
| Skeletor | Amazon | EntEarth | eBay |
| Casey Jones | Amazon | EntEarth | eBay |
| Michelangelo | Amazon | EntEarth | eBay |
| Splinter-Skull (BAF 3 of 4) | Amazon | eBay | |
| Leatherhead | Amazon | eBay |
| Turtles of Grayskull Wave 4 | Amazon | EntEarth | eBay |
|---|---|---|---|
| April O’Neil | Amazon | EntEarth | eBay |
| Stealth Ninja He-Man | Amazon | EntEarth | eBay |
| Hordak | Amazon | EntEarth | eBay |
| Stealth Ninja Leonardo | Amazon | EntEarth | eBay |
| 2-BOPSTEADY (BAF 4 of 4) | Amazon | eBay | |
| Mer-Man | Amazon | eBay |
| Turtles of Grayskull Wave 6 | Amazon | EntEarth | eBay |
|---|---|---|---|
| Michelangelo (Reptile Wars) | Amazon | EntEarth | eBay |
| Leonardo (Reptile Wars) | Amazon | EntEarth | eBay |
| Clamp Champ | Amazon | EntEarth | eBay |
| Ninjor | Amazon | EntEarth | eBay |
| Skele-Shredder (SDCC) | Amazon | eBay |
Turtles of Grayskull Press Release
Mattel, Inc. (NASDAQ: MAT) announced today the collaboration between its celebrated brand, Masters of the Universe and the iconic franchise, Paramount’s Teenage Mutant Ninja Turtles, to unveil The Masters of the Universe Origins Turtles of Grayskull toy line. Combining the power of Eternia with the sewer-dwelling heroes of New York, The Masters of the Universe Origins Turtles of Grayskull toy line represents an exciting overlap of two beloved worlds to celebrate the 40th anniversary of Teenage Mutant Ninja Turtles in 2024.
The partnership between Masters of the Universe and Teenage Mutant Ninja Turtles allows fans to create new storytelling moments with the Turtles of Grayskull line which outfits characters including Leonardo and Raphael, Donatello, and Michelangelo with Eternian-style battle gear, and He-Man from Masters of the Universe will battle his Mutagen Mutation while Skeletor will don Turtle-inspired Armor. Merging these worlds, which are both narratively jam-packed with creative possibility, unlocks even more storytelling opportunities for fans across both brands.
“Bringing the Teenage Mutant Ninja Turtles into Masters of the Universe is a dream come true for many action figure fans. This is an unprecedented moment to collide fan-favorite properties – never been done before in the rich history of both brands,” said PJ Lewis, VP and Global Head of Action Figures at Mattel. “This collaboration represents two great brands that will ignite the imaginations of fans young and old alike.”
“It’s thrilling to see this special collection between Teenage Mutant Ninja Turtles and Masters of the Universe come to fruition,” said Dion Vlachos, Executive Vice President, Licensing and Retail, Consumer Products & Experiences, Paramount. “Two incredibly popular franchises with multi-generational appeal coming together for a one-of-a-kind crossover toy line is something we know fans will embrace.”






































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