The simplest engine that runs on a candle

This engine rotates itself, but it is very simple to make and therefore interesting. For crafts, you need fairly common items that are easy to find.

The basis of the craft is a tube, it is advisable to take a copper one, because it is easy to bend it with a spiral. The spiral is mounted on a round foam platform. The legs of the tube from the bottom of the platform need to be bent in different directions.

The craft is ready and you just need to put it on the water, fill the tube with water and light a small candle under it. The engine starts to rotate and works while the candle is on.