Specification AgeRangeDescription : Adult Brand : Emoshayoga BulletPoint1 : Mainly used in middle school physics to demonstrate electromagnetic induction and verify Lenz's law. BulletPoint2 : This product is mainly composed of 3 parts: primary coil, secondary coil and soft iron core. BulletPoint3 : Physical electromagnetic induction coil kit, stable performance and easy to use. BulletPoint4 : Made of selected high‑quality metal materials, sturdy and , wear‑resistant. BulletPoint5 : Sensitive enough, it is an indispensable experimental equipment and teaching instrument. Color : Multi CpsiaCautionaryStatement : no_warning_applicable EducationalObjective : Imagination Development ExternallyAssignedProductIdentifier1 : 0698597607414 ExternallyAssignedProductIdentifier2 : 698597607414 IncludedComponents : No IsAssemblyRequired : 1 ItemDisplayDimensions_Length : 3.74 centimeters ItemName : Primary Coil, Easy to Use Teaching Accessory, Sensitive Enough for High School Physics ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electronic-coils Manufacturer : Emoshayoga ManufacturerMinimumAge : 48 Material : metal ModelName : Emoshayoga7wecb9zp1f ModelNumber : Emoshayoga7wecb9zp1f NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Emoshayoga7wecb9zp1f ProductDescription : 1. This product is mainly composed of 3 parts: primary coil, secondary coil and soft iron core. 2. Mainly used in middle school physics to demonstrate electromagnetic induction and verify Lenz's law. 3. Sensitive enough, it is an indispensable experimental equipment and teaching instrument. 4. Made of selected high‑quality metal materials, sturdy and , wear‑resistant. 5. Physical electromagnetic induction coil kit, stable performance and easy to use.