樹懶

The little gearbox actually makes the arms swing when you crank it, which got my kid way more excited than I expected. We've rebuilt it twice already using the online instructions, and both times it held together fine.

My 8-year-old built the whole thing in about an hour with the instructions, then spent the afternoon rebuilding it into different shapes. The little motor really does bring the arms to life, and it runs on plain AA batteries instead of some weird charger. Way better than the plain brick sets collect

My 8-year-old built the sloth in about twenty minutes and then spent the rest of the afternoon making it crawl across the kitchen floor. The circuit block snaps in tight and the motor actually runs quietly, which I didn't expect from a toy this small. Instructions were clear enough that he only need