Variational drawing ruler Creative drawing ruler

Product Details:1. Unlimited creativity, a home must, can play all day2. The supporting guide book is clear and easy to understand, and the fine patterns are drawn3. A variety of gear drawing more graphics scale clear and easy to see, no burr, do not hurt the hand4. With reusable viscose auxiliary fixed master ruler, drawing does not run off, prevent running ruler5. High gear fit, no deviation, precise design and grinding of each mold and each set of child and mother ruler can be precise and seamless without slipping and sticking How to use:1. Open the adhesive and stick it on the back of the gear2. Fix the gear adhesive surface on the paper3. Put the gear device in the ring gear to make the two gears coincide and start drawing Complete set:28 piece setWheel gear *15Heterogrouds gear *4Ring gears *2Long rack *1Fix glue *1 piecePen *3A4 paper *1 pack (about 10 pieces)Pattern guide book *1