DIY Wooden Solar Helicopter Model Size: 18*7*9cm Weight: about 80 g Color: as shown (you can paint your favorite color with paint) Material: wooden, electronic parts (Batteries need to be prepared by yourself) Packing: OPP bag Installation steps: Please refer to the instructions in the package. Note: The product is a material package, which needs to be made by children themselves. This solar aircraft cannot fly or go, in order to understand the principle of solar energy.