pull back karts 3D puzzle

Crazy racing mini karts 3D puzzles WD2522 Promotion Tips: 1. Precisely simulated in scale and color, valuable in collection and exhibition. 2. Unique 3D design, firm assemble, exquisite crafts makes products with collect value. 3. Open the childrens eyes and enrich their knowledge. 4. There is number on each piece and detailed assembling instruction in each item. Function: 1. Through the assembling, develop the childrens space imagination. 2. Cultivate the ability of oberservation, patience and concentration and the good habit of focusing. 3. Increase kids hand-eye coordination by playing the kits. 4. Through the game, train childrens ability of space imagination and logic. 5. Anti-frustration education, help children to build confidence in the game.