Build and test three different walking robots - a Biped Bot, a QuadraBot, and a HexaBot - using the accessories in the kit. You may add your own construction bricks to create custom motorized robots. Robot Lab helps young engineers develop problem-solving and experimentation skills while teaching them about robotics and mechanical locomotion. Kids can add additional blocks to create their own designs. Colorful bricks not included. Requires 3 AAA batteries (not included).Contents include: Motorized Power Core, Left Strut Assembly, Right Strut Assembly, Reversible Helmet, Robot Head and Neck, 2 Robot Hand Grips, 2 Robot Feet, 6 Robot Arms (4 Straight Arms, 2 Angle Arms), Designer's Manual. Requires 3 AAA batteries (not included).For 1 playerAges 8 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp clothWarning: Choking Hazard - Contains small parts not suitable for children under 3 years.