Transformers: Rise of the Beasts Figures Revealed by Hasbro

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The first prototype of Optimus Prime giving an idea of just how big this model kit is going to be (78cm/31”) | Agora Models

LEGO Icons Optimus Prime 10302 Transformers Figure Set, Collectible Transforming 2-in-1 Robot and Truck Model Building Kit for Adults, Perfect for Display or Play

Lucky Cat MICRO COSMOS Mvp-01 Atlas Optimus Prime transformation process. （Starts at 1:35 ）https://www.bombusbee.net/product/lucky-cat-micro-cosmos-mvp-01-atlas/