Description: Great DIY toy for kid exploratory learning of science and physics. Can improve the child's hand-eye coordination. Help children improve their cognitive ability and combination ability. Enhance the child's creative ability. Specification: Material: ABS plastic Size: approx. 120 x 108 x 60mm/4.7 x 4.3 x 2.4inch Battery: 2 * 1.5A AA batteries ( Not included) Package Includes: 1 Set of Educational DIY Car Components