Product name: Junior high school physics experiment equipment setExperiment type: physics experimentApplicable people: junior high school studentsProduct material: plastic, metalProducts Include:Sensitive AmmeterVoltmeterAmmeterJoule's Lawelectric bellElectromagnetSliding rheostatElectric motorBattery caseFixed value resistanceConductor + LEDAmpere forceSingle pole single throw switchLamp holderSingle pole double throw switch hand crank motorLaw of resistanceMagnetic switchU-shaped wireTin powderMagnetic carU-shaped magnetElectroscopePhysical Symbol RulerLarge bar magnetFriction rodRubber rodSilk clothImitation furMagnetic levitation support rodscrewdriverRing magnet2.5V bulb3.8V bulbMagnetic levitation supportSmall fanSmall magnetic needleHollow copper tubeEnameled wireAlligator clip wireCopper sheetZinc flakesNailsNotes:1. Our products have strict quality assurance, you can buy with confidence.2. If you have any questions or questions, please feel to send us an email. We will give you a satisfactory answer within 24 hours.