UGEARS creates eye-catching and imaginative self-propelled wooden mechanical model kits that can be assembled without glue. Their unique designs are inspired by real-life mechanisms that provide a fun, engaging and rewarding experience for the whole family. They are made from purely natural products since all the parts are made of the best quality plywood. No synthetic materials are used in these models, the kits are 100% eco-friendly. All the components are ready-made for assembling and all the details are clear. The various parts can be directly assembled without using any glue or chemical adhesives. Hence it is easy to handle the parts and no harmful chemicals are used in the process. The parts are very strong and ensure perfectly shaped models.