Japanese company Joybond brings the Marugoto Tamachan, a portable watermelon cooler, for watermelon lovers in Japan. In fact, the machine not only cools watermelons, it can also heat them up. The heating function can also be used for keeping other stuff warm.
The Marugoto Tamachan watermelon cooler has 14L capacity. It is priced at 19,950 Yen.