Features 1、1. Made of high-quality ABS. The suit comes with unique interlocking gears and wheels. Anyone can draw an elegant spiral design with this tool. 2、2. Easy to learn and use this item set, just put a wheel in the ring. 3、3. This luxurious suit will bring joy to the whole family in the next few years. 4、4. Wanhua Ruler is an aesthetic principle based on symmetry and circle, full of rich retro style. 5、5. This multifunctional DIY gear universal ruler set contains 21 gears, 1 rack, 3 color pens, (other pens with longer pens can also be used) 1 sticky glue, 1 stack of white paper , A detailed manual. After a combination of multiple feet, the teeth are inlaid, and a variety of magical patterns can be drawn. With perfect lines and unlimited creativity, children can enjoy the sense of accomplishment brought by painting. Specifications Material: ABS Size: 31.5*22*3cm Package List 21 x Wheels 3 x Crayons 1 x Rack 1 x Viscose 1 x Manual 1 stack of white pape