Ball and Ring Apparatus

  • Sale
  • $ 11

Our Ball and Ring Apparatus is a visible demonstration of the expansion of metals. When the ball or ring is heated, the ball will not pass through the ring. When cooled, however, the ball passes through the ring freely. The ball and ring are mounted on an insulated wooden handle to protect your hands from the heat. Instructions included.

This product may contain lead, which is poisonous if ingested. Use gloves and safety goggles for protection. Seek medical help if ingested, wash hands thoroughly if handled incorrectly, and flush eyes with cool running water if for at least 15 minutes if any lead comes in contact with them.

Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.

California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.