This instructable is being entered in the Green Tech Contest so please vote.
This solar fridge is a simple and quick diy project. The reason I decided to build it was because the fridge in your house takes up a ton of energy. This fridge is so cheap and reliable that it can be used in 3rd world countries. It takes about 15 to 30 minutes to complete and it only cost around $15 dollars.
Here is what you need
1 large clay flower pot
1 small clay flower pot
sand (I used about 1/4 of a bag)
towel
water
clay or plumbers putty (only needed if there is a whole in the bottom of the pot)
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