E-outstanding Electrical Circuit Experiment Tools Physics Science Lab Basic Circuit Learning Starter Kit Electricity Experiment Set 10 2.5V Bulb- 1 Battery Box- 1 Switch Button- 2 Wires- 2 Lamps

The package includes: 10 * 2.5V bulb. 1 *Battery box. 1 * Switch button. 2 * wires. 2 * Lamp holder. Reminder: You need 1 AA batteries to carry out the experiments in this kit. Kind note: the positive pole and the negative pole must not be directly connected, otherwise it may cause a short circuit! Structure: The small ball is a tungsten bulb, made of glass, metal, and insulating materials. It can be used as a flashlight light source and indicator light of a distribution box. Uses: Mainly used for electrical experiments.This product is an indispensable electrical consumable for elementary school science, middle school physics laboratory and student home laboratory.