This is a real solar magnetic levitation motor model, pure handmade. Can save energy in incandescent sunlight,Yuba lights,Tungsten lamp,Spotlight etc High-power light source irradiation,rotating in the suspended state, the maximum can reach 2000 rpm is interesting, choose your gift, the practice of science, scientific theory to explain and home furnishings      Matters needing attention: A: magnet attraction is very strong, the assembly of the attention, clamps the hand.  B: the top end of the rotary shaft part can not be forced into sharp collision, damage will result in equipment failure.  C: because it is pure handmade, part of the fixed use glass glue, tape, easily damaged, please avoid excessive force.  D: in most cases, this means you need to manually add external rotation, the rest can give light to complete.    Description: Package weight:about 260g;  Product size:80*80*145mm;  Rotating speed:1500-2000r/Min;  Material:Acrylic,strong magnets, solar panels, copper enameled wire;  Note: The Base is transparent. It comes with kraft paper on the surface, that's why it looks yellow.     Note: 1.The real color of the item may be slightly different from the pictures shown on website;  caused by many factors such as brightness of your monitor and light brightness.  2.Please allow slight deviation for the measurement data.  3.Please allow 1cm-2cm error due to the hand measurement .    Package Included: 1 X Double-sided Magnetic Suspension Solar Motor