Robotime ROKR 3D Wooden Puzzle Marble Race Run Maze Balls Track Coaster Model Building Kits Toys for Children Drop Shipping

Highlights 1. ENGINEERING MARVEL----Full of elaborate mechanisms and small tricks. The precise gear design provides smooth transmission speed ratio. Each gimmick will create dozens of fun to watch. You can also learn the fundamentals of engineering and structures of machines. 2. REWARDING CHALLENGE----Highly satisfying and educational building experience. A brilliant way to enhance understanding of STEM principles and improve kids' motor skills. This building set will put your visual-spatial skill and patience to the test. 3. IDEAL GIFT& HOWE DECOR----Perfect gift at any occasion for all ages. Detailed design and attractive appearance make it a unique touch to your home and office. 4. NON GLUE& NATURAL MATERIAL----Lightweight models made of natural plywood. Pre laser-cut wood sheets with well-fit parts. No glue needed, easy to assemble together. Non toxic materials ensure you a safe building experience. Specification Brand:ROKR Details Package Contain:Plywood,English instructions, other accessories without wax.1. As wax is forbbiden on International shipping,we have to take it out. 2. The wax is used to make the gear move smoothly. it is not necessary, you can don't use it or use candle to replace.   Weight: 1kg Recommend Age: 14+ Package Size: 317*233*46mm   LG501  Waterwheel Coaster   Assembled Size: 254*232*165mm   Wood Pieces: 233 pcs   LG502  Cog Coaster   Assembled Size: 254*232*166mm   Wood Pieces: 233 pcs   LG503  Lift Coaster   Assembled Size: 255*229*204mm   Wood Pieces: 219 pcs   LG504  Tower Coaster   Assembled Size: 255*229*204mm   Wood Pieces: 227 pcs