Specification Name Solar Magnetic Levitation ModelType Double Layer Horizontal Solar Fan TypeMaterial Acrylic Magnets Solar Panels Copper Enameled WiresFeature Automatic rotation under lightPrinciple Photoelectric Effect Electro Magnetic InductionDimension L W H 175 100 105mm Features 1 Double layer construction solar fan solid and durable 2 Laser cutting acrylic material no burrs beautiful cruved lines 3 Transparent visual structure explain the principle and mechanism easily 4 Unique magnetic levitation structure almost frictionless 5 Creative gifts technological gifts principle teaching models fashion desktop decorations 6 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 Dont put the model on steel desk which will affect the performance set the model 45degree direction under the light resource 2 Set the rotor to the board levitating success on the model3 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