2x AA (LR6) Batteries not included |WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
Great value building set contains 1,313 K'NEX Rods and Connectors, 1 spring motor and a power pack motor. Two instruction books to build 80 models, including 8 dynamic motorized creations. Supports up to 12 students building simultaneously in teams of 2-3