🆕 Wooden Model Building Sets-Adult Craft Brain Teaser Children Kids Teenage Toy

【High-Quality Material and Perfect Detail】This is a perfectly designed DIY kit that requires your hands-on work to complete. This mechanical wooden puzzle toy uses precision laser cutting of high- quality plywood, which is safe and convenient. 【Detailed Instructions and Fun Of DIY】When you follow the instructions step by step to complete the mechanical model, you will send yourself as if back to the industrial age. This toy kit will combine the charm of the old and the mechanical power, and it will be very attractive. 【No Battery Required and Green Power】This building toy is no need battery, use the hand crank to drive. There is a mini electric generator inside can provide green power and benefits to the environment protect.