Inertia handson demonstration: Uses a mechanical experiment design to let learners visually understand inertia without batteries or external power. This physical teaching tool functions as a student science experiment kit for classroom use. Engaging mechanics aids: Provides physical teaching aids and mechanics learning props to deepen understanding. Includes science lab centrifugal equipment and serves as centrifugal force lab apparatus. Centrifugal force visualization: Classroom demonstration prop that enables teachers to seamlessly show centrifugal force principles. Effective for mechanics experiments and physics teaching, suitable for learners of all ages. Durable classroom supplies: Constructed from stable, wearresistant materials for repeated use in school physics teaching aids. The inertia demonstrator and physics props are designed for reliable performance. Use scenarios: Classroom demonstrations of inertia and rotational motion during physics lessons, helping students grasp Newton's first law without power sources. Lab activities to visualize centrifugal force, compare rotational speeds, and observe realtime effects in a controlled setting. Science fairs or openhouse demonstrations as quick, handson stations to engage students across different ages with practical physics concepts.