The experiment box can conduct various physics and electrical experiments, effectively stimulating the interest of learning and exploration Product name: Physics and Electricity Experiment Box Product function: physical electrical experiment research Product weight: 3kg Product List: Ammeter*1 Voltmeter *1 Galvanometer*1 Hand crank generator*1 Multifunctional magnetic levitation solar car*1 Fixed value resistor + photoresistor Sliding rheostat*1 Iron powder box*1 Joule's law comes with resistance*1 Electroscope*1 Salt water battery*1 Single pole switch*2 Single pole double throw switch*1 Lamp holder*3 Simple electroscope*1 Resistance Law Experimenter*3 Battery box*3 Electric bell*1 Buzzer*1 Square coil*1 Magnetic field versus current experiment device*1 Magnet car *1 Tool storage accessory box*1 Magnetic needle*8 screwdriver Double U wire + clamp wire Buzzer*1 Glue stick*1 Glass rod*1 Silk fur *1 Firewire shock*1 U-shaped magnet*1 Note: If you have any questions about this product, please write to us, we will solve your problem as soon as possible!