Sunnytech Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model ST41 EASY OPERATION ----No Manual at all. Set the rotor to the board, Levitating success on the model, set the model 45degree direction under the light resource. Give the rotor a gently push, it will run smooth.See play video : http://goo.gl/mRMgQx HIGH-TECH ORNAMENT THAT COMBINES THE MAGNETIC AND ELECTRIC FIELD ----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. ENTERTAINING---- The motor rotor can rotate under weak light source. If the light stronger, the rotor rotating speed will be faster. The solar panels which equipped on the rotor convert sunlight to power and drive the model run freely. PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teachers Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc. AMAZING CONVERSATION PIECES ON YOUR DESK ----Decorative and impressive, it's proven to be a conversation starter to impress your visitors. Its a cool piece of art even just stands on your desk.