DIY Wooden Winnowing Machine STEM Science Kit 1 Set Physical Experiment Model for School Teaching Kids Hands-on Learning

Description: DIY Wooden Winnowing Machine STEM Model Kit, an engaging educational toy for kids to explore traditional agricultural mechanics while boosting their hands-on practical skills Features: 1. Eco-friendly & Child-safe Build: Crafted from high-grade finely polished natural wood, with completely burr-free smooth edges, so kids can assemble safely without risk of hand scratches. 2. Precision Laser Cutting: All wooden components are pre-cut with high-precision laser tech, featuring perfectly fitting mortise and tenon joints, no extra glue or professional tools required, making assembly easy for users of all ages. 3. Realistic Simulated Working Design: Equipped with a metal rotating shaft, plastic crank and internal wooden fan blade structure, it can be operated manually to fully replicate the working principle of traditional winnowing machines, helping users intuitively grasp basic aerodynamics and traditional agricultural knowledge. 4. Sturdy Durable Frame: Thick solid wood panels connected with embedded snap-fit structure form a solid integrated frame after assembly, not easy to deform or fall apart, suitable for long-term repeated operation and demonstration. 5. Multi-scenario Use: Uncoated natural wood retains clear original grain, with a realistic retro look, perfect as a school science teaching aid, student science project submission, or unique desktop decor, combining both educational function and aesthetic value. Specifications: Category: STEM Educational DIY Toy / Science Experiment Kit Material: Natural Wood Size: As shown in images Color: As shown in images Package: 1 full set of assembly parts (batteries not included) Notes: 1. The images do not show the actual size, please refer to the product description for specific size details. 2. Please allow slight measurement deviation due to manual measurement, thank you for your understanding. 3. Actual color may vary slightly from the image due to different monitor settings. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.