Two bearings Material: paper Key benefits Lightweight and inexpensive Simple to handle and integrate with paperbased projects Quick to set up for quick demonstrations or prototyping What this product is and how it works Includes two bearings for lightweight moving parts Made from paper material Designed for basic demonstration use in nonloadbearing or educational contexts Important attributes Function: basic bearing motion suitable for concept models and teaching aids Material: paper Size: not specified Compatibility: not specified; intended for lightweight, nonspecialized applications Performance and limitations for educational demos, lightduty prototypes, and display purposes Not intended for load, precision, or longterm mechanical use Use scenarios 1) Classroom demonstration to visualize rotating joints in physics or engineering lessons 2) Prototyping a paperbased model or diorama that includes moving parts 3) Lightweight display props or educational kits that require simple moving components