Kindly note: you will need 2 AA battery to do the experiments in this kit.
Structure: the mini bulb is a kind of tungsten wire bulb, made of glass, metal, insulation materials. You can use it as a flashlight light source, distribution box indicator light.
Please don't connect the positive and negative poles directly, which may cause a short circuit.
Usage: This kit is mainly used in electrical experiments in primary and middle schools. It is essential electrical consumables for primary school science, middle school physics laboratory and students' home laboratory.

Package includes:
10pcs 2.5V mini bulbs
2pcs bulb holders
1pc battery holder
1pc switch button
2pcs cables