Heat Sensitive Tile | Northern Lights Heat Sensitive Tile: Inspired by the stunning Northern Lights of Alaska, this line features 4 x 4 glass tiles that appear black at room temperature and move through the colour spectrum when temperature (warm water, radiant heat, etc.) is applied. The moving colour is dynamic to the temperature of the heating agent. Custom made, priced per tile.
Constellation Mug Urban Outfitters $14.00 Changes from black with stars to reveal 11 constellations before your very eyes - just pour in any hot liquid to see Cassiopea, Perseus, Sagittarius, Hercules, Andromeda, Scorpius, Taurus, Ursa Major, Ursa Minor Orion Castor & Pollux appear!