DIY Experiment Toys: DIY Mini Generator Motor, early learning education Toy, let your child build their own structures like an engineer, provides hours of fun for kids. Unassemble: DIY Electronic Toys Wind Materials Set is unassemble, kids can assemble it by themselves, learn simple physics principles. Can also paint the wind with your favorite color. Educational Toy: The DIY Toys Wind Generator can help cultivate children hand skills, creativity and imagination, practical skills, scientific knowledge, and interest cultivation. Durable Material: Toddlers DIY Wooden Wind Generator Projects toy is made of high quality wooden material, smooth edge without burrs, sturdy and durable. Perfect Gift: DIY Wind Turbines Toy is a perfect birthday gift for children . children can learn simple electricity knowledge, develop patience and concentration, and promote fine motor skills. Size Chart: 9cmx7cmx12cm/3.54inchx2.76inchx4.72inch Package Includes: 1 DIY Wind Generator Toy Set 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.