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Novelty Gifts: Hand Boiler (SENT AT RANDOM)

Novelty Gifts: Hand Boiler (SENT AT RANDOM)

  • Save $29

Price is for single item. Multiple items may be shown. Each sold separately.

  • Glass hand boiler demonstrates Charles's Law
  • The liquid inside boils from the heat of human touch and expands forcing it upwards through the loop in the glass
  • Science experiment in the palm of your hand that's fun to play with and great to look at