Motorized Madness Ball Machine Manufacturer's Age Rating: 9 years and up. Color: Multi Set includes 2,004 colorful K'NEX pieces, track system and 5 multi-colored balls. Required 2 "AA" batteries, not included, Primary Composition  plastic Product Testing Certificates: CFR = Code of Federal Regulations. CPSC = Consumer Product Safety Commission. CPSA = Consumer Product Safety Act. ASTM = American Society for Testing and Materials Package Dimensions: 20.0L x 3.25W x 14.0H, Country of Origin  China