OKUMEYR Physics Experiment Material School Supply Expansion and Contraction Material Kit

Features

• School teaching– the metal ball can pass through the ring at room temperature, but cannot pass through after being heated,physical enthusiasts tool
• Teaching aid– the physics experiment material is strong and , ensuring reliable performance,physical teaching aid
• Physics experiment– the metal ball is a simple aid for demonstrating thermal expansion and contraction, making it easy to understand,experiment material for physical
• Laboratory experimental supplies– the physics demonstration experiment tool is easy to use, requiring no special skills,laboratory supply
• Laboratory supplies– the physical experiment tool is easy to operate, making it intuitive and easy to understand,physical experiment tool