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HeatWave™ Supercooled Lab Demo
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Makes Ideal Body and Hand Warmer
HeatWave™ is an energy storing and releasing system which contains a super-cooled salt solution (Naac), designed to provide warmth (approx. 130°F).
To activate, gently flex the stainless disc inside; this starts the heat of fusion, changing from liquid to a solid. Thermodynamic energy is released from 45 minutes to three hours. To reuse or recharge, simply boil in water. Full instructions. 3" x 4"; 4 ounces.
 Gift Wrap Available
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