Musk says Tesla's Optimus will one day build Optimus Prime after China showed a 13-foot humanoid robot that can lift over 1,100 pounds.

Get 2x Insider Points until October 19th when you buy these sets that are retiring at the end of the year - includes Star ...

Optimus Prime is the most popular Autobot in Transformers, and he's had no shortage of amazing designs.

GH's parenting and toy editor finds the best LEGO kits for adults, including big sets, pretty Botanicals, and pop-culture favorites.