Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Hexagon Solar Magnetic Levitation Mendocino Motor Horizontal Levitating Stand Educational Model GiftSpecification:Name: Solar Magnetic Levitation ModelProduct material: Acrylic, Magnets, Solar Panels, Copper Enameled WiresFeature: Automatic rotation under light Type: Horizontal Levitating StandPrinciple: Photoelectric Effect, Electro-Magnetic InductionSpeed: 300-1500 r/miniOverall Size: 140*58mm Product Features:- Laser-cutting acrylic Product material, no burrs, beautiful cruved lines.- Transparent visual structure, explain the principle and mechanism easily.- Unique magnetic levitation structure, almost frictionless.- Creative gifts, technological gifts, principle teaching models, fashion desktop decorations.- Only need light irradiation, it will automatic rotation, no power supply. The best light source is the strong sunlight, place this model outdoor in a noon sunny day. Besides, big light rate lamplight also suitable, like bath bully lamp. Instructions:1. Bring the model near the window or near a suitable light resource. Don´t put the model on steel desk, which will affect the performance.2. Set the rotor to the board, levitating success on the model.3. In most cases, you need to give the rotor a gently push, then it will run smoothly by light. 4. The magnet is fragile, please avoid the magnetic suction to each other and damage. And please avoid overexertion. Package Included:1 x Solar Magnetic Levitation Model Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.