DIY solar windmill toy, 3D interesting science model AZ7707 Solar windmill toy, 3d model education, fun science, Abs plastic.feature:1. The solar windmill is a DIY product. It uses low-light amorphous silicon solar wafers as a power source. The product is divided into three parts: base, connecting rod and fan blade2. Under indoor lighting, solar cells convert light energy into electrical energy to drive the blades to rotate simple and smooth overall shape better results in places with strong indoor light 3. The products are vivid, novel and fashionable. It completely relies on solar energy for direct drive, energy saving and environmental protection. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.