Features: Hands On Physics Learning: This centrifugal track ball catcher demonstrates inertia and centripetal force through realistic roller track modeling, making abstract physics concepts tangible for students. Perfect for education and classroom experiments. Interactive Science Exploration: Students can actively participate by adjusting speeds and angles to observe varying centrifugal effects, enhancing engagement and deepening understanding of motion principles in a fun way. Safe Construction: Made with premium wood and metal components, this educational tool withstands frequent classroom use while ensuring student safety during physics demonstrations and experiments. Multi Experiment Capability: Features adjustable tracks for diverse simulations – study how different inclines and velocities affect ball trajectories, expanding teaching possibilities beyond basic curriculum requirements. Teacher Friendly Design: Easy to assemble with illustrated instructions and portable light weight structure, ideal for dynamic classroom setups. Bright colors and moving parts visually reinforce physics lessons effectively. Specifications: Component: Wood, Metal Color: As picture shown Size: Approx. 40x34x9.8cm/15.75x13.39x3.86in Weight: Approx. 400g Package Includes: 1Piece Wooden Metal Roller track Model note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color