ToToT 1Set Electrical Circuit Experiment Kit Fun Physics Experiment Homemade Series Circuits DIY Materials, Home School Educational Kit for Kids
Package includes:<br> 10* 2.5v bulbs<br> 1* battery case<br> 1* switch button<br> 2* wires<br> 2* Lamp holder<br><br> Kind note: you need 2 AA batteries to do the experiments in this kit.<br> Please note that the positive and negative poles should not be directly connected, which may cause a short circuit.<br> 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.<br> 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.