Leaf Thermometer

Marco van Beers
July 2nd 2012

Designer Hideyuki Kumagai must have been inspired by the seasonal colors of nature when he designed this thermometer.

Stick the leaves to your window, or make a bush at your office garden, and they will tell you how hot it is by changing color. If it is nice and warm (20-25 degrees) the leaves stay fresh green. When it becomes cooler they slowly turn brown. And if they turn yellow, then you know it is time to cool down.

Via JapanTrendShop.

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