Bóng Cân Bằng Vật Lý Kim Loại Trang Trí Bàn Làm Việc

Features: Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Includes steel balls, plastic frames and base. Often used as a toy. Easy to install and uninstall. High class material and has very good apperance. Pendulum ball. Specification： Shape: Geometric Material: Metal, ABS Color:as shown Occasions: Office, Home, Table Desk Features: Funny, Creative, Room Decor, Desk Ornaments Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Contents:1 x pendulum ball