Muren Painting Multifunction Interesting Puzzle Spirograph Children Drawing Material: Plastic Size: 20 cm*10cm Color: Random color Method of use: Choose any external gear, In the two inner circles You can draw different graphics Right hand holding a ball-point pen insert pen perpendicular to the paper, in a certain direction, to draw a beautiful curve pattern pattern. Note that the internal and external tooth should always rely on tightness. Need to change into another or more than two gears, the gear was successively on the original painting, constitute a more complex pattern, pay attention to, when to change gear, don't let internal gear to move. Using combination illustration, one can draw ten million different decorative pattern curve patterns. If using different colors to paint the pen caps, the decorative pattern looks more beautiful. For primary school students, the best intelligence toys can cultivate the habit of correctly. Hands and brain, the development intelligence, the fun. Can easy to quickly draw a complex pattern of tens of thousands of fantasies. Can free combination, more play to space. We do not offer color choice, Your order will be sent in colors at random.