About This

• Fun and safe: When conducting these experiments, stimulate curiosity and Intelligence IQ.
• Note: That the positive and negative poles should not be directly connected, which may cause a short circuit.
• Application: Suitable for electrical experiments in primary and middle schools home DIY circuit test.
• Kind note: You need 2pcs AA batteries to do experiments this kit.
• Package includes: 10pcs 2.5v bulbs,2pcs battery case,1pcs switch button,2pcs wires,2pcs Lamp holder.