The Sunflower Lunchbox is a cute solar-powered appliance that heats and cools food items at the same time. A collapsible petals-like contraption (laced with solar cells) is used to trap the solar energy, which is then stored in an internal battery. With the simple touch of a button, you can then heat or cool down the contents within the individual boxes. It’s an ideal lunchbox for those fussy about eating piping hot food and solid cold drinks!
How it works:
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