Collect & Build Chomp, #2 of 4 in the Moto-Bots Series! This set is motorized so Chomp can open and close his mouth as he walks! He comes with 399 rods, connectors, bricks, specialty parts and black and green eyes. Build the lead model, or combine Chomp with Razor to build a working Battle Bot! Each set sold separately. Requires 2 "AA" batteries, not included. For ages 7+.