Description: Scientific Toys: Solar fan model can let children understand the principle of fan rotation and stimulate children's interest. It is a very practical teaching model.DIY Assembly: Wooden solar fan model needs to be manually assembled by yourself. Children can assemble this solar fan with their families to increase the fun between parents and children.Educational Toys: Diy wooden science experiment can cultivate children's learning interest and hands on ability, and prepare in advance for subsequent mathematics and physics learning.Gift: toy is the best gift for family, children, friends, and science model loversMaterial: Electric fan solar power fan model is made of wooden material, which is sturdy and playable, and can be used for a long time. Specification: Material :Wood Size Chart: 9.7cmx7.3cmx19cm/3.82inchx2.87inchx7.48inch Package Includes: 1 DIY Solar Fan Model Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.