الوصف
Our classroom-safe lab makes electricity concepts easy to graspwith hands-on experiments and ready-to-use tools! The 29 pieces come with 7 cards featuring step-by-step experiments, from testing for conductors to creating a simple switched circuit. Plus, the back of each card has background information on the scientific concept covered by the experimentso children learn important facts as they work! Requires 4 D batteries (not included).