One or two clay (terra cotta) flower pots (if you decide to use two, one of them should be slightly smaller than the other so that it can nest inside the larger pot) Tea light candles Bricks, cement ...

In this video I show how I turn a few simple clay pots, a bolt, washers, and a candle into a compact heater. I walk through each step of nesting the pots, securing the hardware, and safely setting ...