Both variants of the transforming 1986 Coke Can Robot. While not technically “Transformers”, I think these promotional toys are super cool : r/transformers
Vintage 1970's Coca-Cola Cobot R2-D2 Remote Control Can Robot Toy In Original Bo | eBay
Bob Canada's BlogWorld: I'm A Grown Man And I Bought This: Big Mystery Japanese Robots
Vintage Coca-Cola Can Robot (box only) Advertising Transformer G1 Toy | eBay
Heroic Coca-Cola Transforming Robot courtesy of the Mighty Rob Kindleyside | THE TRANSFORMERS MULTIVERSE
Chumlee's Sweet Deal on a Coca-Cola Toy | Chumlee doubles his money! | By The Best of Pawn Stars | CHUMLEE: What's up, man? TEL: How you doing? - I'm good. What
Attack of the Vintage Toy Robots! Justin Pinchot on Japan's Coolest Postwar Export | Collectors Weekly