- 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
- Product Dimensions : 10.63 x 1.5 x 0.98 inches; 7.36 ounces
- Date First Available : October 12, 2024
- Manufacturer : OKUMEYR
- Country of Origin : China
