K’nex building systems put engineering education into action as kids use the dynamic, open-ended sets to build cool, motorized gadgets. Each set of three robo-creaturesSmash, Sting, and Strikecomes with more than 150 parts and motors that enable unique movements. Combine kits or add on to existing K’nex systems to build even bigger robots of your own creation.
WARNING: CHOKING HAZARD small parts not for children under 3 years.
For ages 7 and up. Two AA batteries per kit, not included. Approximately 9"W x 9"H.