On the lighter side of things, here’s a fun little gadget: the “temperature controlled faucet light,” which activates based on water pressure and changes color based upon water temperature. Blue when the water is cold or simply turned on, and red when the water hits 89 degrees F.

temp-faucet-light

Would probably be a hit with kids and for parties. There’s also a model for taking colorful showers.

You can check it out here.