American Educational Ball and Ring Demonstrating Thermal Expansion In Black - HALO Brand: Great American Products

Brand: Great American Products

Extension 4

Set Includes

Recycled backing keeps accent rug from sliding

Illuminate your dressing area or bathroom with Luminance olen four light vanity that is beautifully finished in bright satin nickel

American Educational Ball and Ring Demonstrating Thermal Expansion In Black - HALO Brand: Great American ProductsAmerican Educational Ball and Ring Demonstrating Thermal Expansion In Black Brand: American Educational The unit demonstrates the expansion of metal when heated and its contraction when cooled When either the ball or ring is heated, the ball will not pass through the ring When cooled, however, the ball will pass through the ring freely The ball and ring are mounted on insulated wooden handles to protect hands from the heat