Specification Brand : WHFCBJBW BulletPoint1 : When a current is passed through the coil, a magnetic field is generated around the coil. This additional magnetic field can generate external force to the upper permanent magnet, or push or suck. BulletPoint2 : By adjusting the magnitude and direction of the current flowing through the coil, can be adjusted to generate Stable magnetic suspension. BulletPoint3 : , thus it is . BulletPoint4 : Magnetic Levitation Coil ONLY, other accessories in the picture is not included. BulletPoint5 : Metal Color : Orange ExternallyAssignedProductIdentifier : 7675140387248 ItemName : WHFCBJBW 5 Pieces Magnetic Levitation Coil with for The Third Generation Coil ItemTypeKeyword : test-leads Manufacturer : WHFCBJBW Material : 5 Pieces Magnetic Levitation Coil with for The Third Generation Coil ProductDescription : Features: When a current is passed through the coil, a magnetic field is generated around the coil. This additional magnetic field can generate external force to the upper permanent magnet, or push or suck. By adjusting the magnitude and direction of the current flowing through the coil, can be adjusted to generate Stable magnetic suspension. , thus it is . Magnetic Levitation Coil ONLY, other accessories in the picture is not included. Metal