Product Review

Package includes:
10* 2.5v bulbs
1* battery case
1* switch button
2* wires
2* Lamp holder

Kind note: you need 2 AA batteries to do the experiments in this kit.
Please note that the positive and negative poles should not be directly connected, which may cause a short circuit.
Structure: small ball is a kind of tungsten wire bulb, made of glass, metal, insulation materials.Can be used as a flashlight light source, distribution box indicator light.
Application: mainly used in electrical experiments in primary and middle schools. The product is essential electrical consumables for primary school science, middle school physics laboratory and students' home laboratory.