Description: Put the model near the window or near a suitable light resource, set the model 45 Degree direction under the light resource, set the rotor to the board, levitating success on the model, Give the rotor a gently push, it will run smooth. The Mendocino Motor is a magnetically levitated, solar powered electric motor. The motor consists of a spinning shaft that is held up by repelling magnets, stabilized by resting a point against a wall. It is powered by solar panels mounted on the spinning shaft, which generate currents through coils of insulated wire, and rotation. Three-point positioning to enhance the running performance. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc. When you get bored and feel there is too much pressure, you can put it outside and under the sun's bath then start it, quietly watching its fascinating whirl, it will be fascinating to you, also can kill time and help you . Specification: Material: Plastic Size Chart: Size: Approx. 11.8x8.8cm / 4.64x3.46inch Package Includes: 1 Piece Solar Magnetic Levitation Mendocino Motor STARK-2 Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.