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: used in 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,1pcs battery case,1pcs switch button,2pcs wires,2pcs Lamp holder.