Features: *High-Quality Material: The painting ruler set is made of high-quality material, which is wear-resistant and durable, not easily damageds and can be used for a long time. *Skills training: This drawing ruler set can exercise children39;s logical thinking ability, cultivate children39;s brain power, and promote children39;s hand-eye coordination. *Multi-functional: This set includes multiple rulers and gear teeth. After combining the rulers and gear inlays, you can draw a variety of patterns and stimulate children39;s imagination. *Drawing Skill Development: This drawing ruler set can help students develop their manual skills and imagination to draw different designs. *Perfect gift: Children39;s painting ruler set is the best holiday gift for your children on Christmas, New Year, birthday, Thanksgiving, etc. It is also an ideal choice for you and your children to participate in parent-child activities. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: plastic Applicable age: 8 years old and above Packing Size: 22*3*31.5cm The set includes: 2 pieces of rings gears; 15 pieces of wheel gears; 1 piece of rack; 4 pieces of special-shaped wheel gears; 3 paint brushes; a piece of glue; 1 small stacks of white paper; and a pattern guide books Package List: 1 set x Drawing Ruler Set