The experiment box can carry out a variety of physical and electrical experiments, effectively promoting interest in learning and explorationProduct Name: Physical Electricity Test ChamberProduct function: physical electromagnetic experimentProduct weight: 2.5kgProduct List:Ammeter*1Voltmeter *1magnetElectric bell*1Motor *1Battery box*1Single Pole Double Throw*1Single pole single throw*1Lamp holder*1Fixed value resistance*1Sliding rheostat*1Multi-function base*1Diode*1Law of Resistance*1Multifunctional experiment board*1Salt water battery tank*1Screwdriver*1Magnetic suspension balance bar*1Iron powder box*1Metal electric board*6Other accessories*1Small magnetic needle*1Lead wire*1Small bulb *4Storage box*1Rubber rod*1Hand crank generator*1Battery *1Solar motor*1Multi-function base*1Solar panel*1Joule's law*1Fuse*1Foil electroscope*1Upgrade buzzer*1Sensitive current meter*1Note:If you have any questions about this product, please write to us, we will solve your problem as soon as possible!