Robot designers, welcome to your lab. Customize your robots by mixing and matching pieces. With over 70 pieces included, kids ages 3+ can mix and match to create hundreds of combinations. Pick your pieces, then use the kid-friendly tools to assemble your robot, then take it apart and do it all over again! Encourage creativity and imagination with pretend play. This STEM toy introduces early engineering, fine motor skill development, and problem-solving. Includes kid-friendly drill, Phillips bit, screwdriver, gear socket bit, 32 bolts, 26 interchangeable pieces, seven gears, and sticker sheet. Requires 2 AA batteries (not included). Drill U.S. Patent Number D929,837