Looking for a fun, easy science experiment? This circuit material can satisfy your needs, and great addition to a classroom lesson plan. When conducting these experiments, stimulate curiosity and intelligence. Features - ColorAssorted Color - Material: Electronic components, plastic - Size: 5.00X5.00X2.00cm/1.97X1.97X0.79in - Battery: 3pcs AA batteries(not included) - Aimed at training children with hand-eye coordination, hands-on ability, this circuit material can improve intellectual development. - It is an essential electrical consumable for secondary school physics laboratory and student home laboratory. - Strengthens the bond between parents and children through Lucky Wheel Lamp making, very creative. - Functions as both an entertaining toy and an educational tool, boosting learning potential, meet diy need. - Great DIY material for kids interests for learning of science, developing structure imagination, exercising. Package list: 1 x circuit board 1 x set of components 1 x empty AA-battery box