Feature:1. Improve learning interest, DIY science experiment toy can develop intelligence to stimulate children's active interest in learning.2. Parents can play with children, improve parentchild interaction and help promote intimate relationship.3. Natural wood environmentfriendly material as the main structural of the model to increase children's handson ability.4. Special designed for children above 7 years old to play, wonderful gift and promotes early learning.5. Exercise baby's manual ability and hand eye coordination ability, develop intelligence.Specification:Item Type: Solar Power Experiment ToyMaterial: Composite Wood Suitable Age: Above 7 Years Old Usage: 1. Connect the house as shown in the picture (pay attention not to make the wrong up and down, protruding points are all facing down).2. Assembly the four sides of the house as shown in the picture.3. Install the motor as shown in the figure.4. Insert the solar panel as shown in the figure.5. The line on the solar panel and the line on the motor are covered with an insulating cap.(red line to red line and black line to black line) 6. Install the hanging frame as shown in the picture. 7.Install the solar panel with double sided adhesive as shown in the picture. 9. Install the blades and complete the assembly..Package List:1 x Fan 1 x Mini DC Motor 1 x Solar Panel 2 x Double-Sided Adhesive 1 x Board 2 x Wood Block Note:Please note that product windmill colors will be shipped randomly.