Item Type: Solar powered wind model Material: ABS, electronic component Size: Approx. 14 x 9 x 26cm / 5.5 x 3.5 x 10.2in Package List 1 x Base 1 x Windmill Column 4 x Windmill Accessories 1 x Instruction Solar toys must be driven under the strong light of the sun. Generally, there are 2 ways:1. Under the strong light of the sun.2. A 60 watt or more light bulb or Yuba can be driven. 1POWER SOURCE: Solar windmill uses bright crystalline silicon solar panels as power source, which is divided into 3 parts, base, connecting rod and blades. 2OPERATION PROCESS: In the sunlight, solar panel converts light energy into electric energy to drive the fan blades to start rotating, and has fashionable shape. 3ENVIRONMENTAL PROTECTION: Ordinary batteries and rechargeable batteries are not installed, and they are directly driven by solar energy, which can be used as teaching aids for students. 4IMPROVING ABILITY: Suitable for children over 8 years old, it can exercise their hands on ability and stimulate their curiosity and thirst for knowledge. 5APPLICABLE SCENES: Placed on the balcony or desk in front of the window, in the office, through lighting, blade will rotate, is also very suitable for holiday gifts