Description: Scientific Experiment ModelThe double engine wind power small aircraft can attract children's interest in science, exercise children's hands on ability and thinking ability, and learn basic physical and scientific principles.Easy to AssembleScience physical experiment toy needs to be assembled manually, kids can assemble it with their family, bringing a fun and easy assembly experience.DurableThe double engine wind power small aircraft electricity model DIY Kits is made of quality wooden material, durable for a long time.UsesScience toy can be used as teaching models, science competitions, scientific experiment models, educational assembling toys, etc.Great Gift IdeaThe Education toy is both fun and educational, making it the perfect gift for kids and lovers who love to build toys. Size Chart: 15.5cmx12.7cmx6.7cm or 6.10inchx5.00inchx2.64inch Package Includes: 1DIY Physics Science Educational Toy Note: Please allow slightly errors due to manual measurement and different monitors.