To program it, wrap the string connecting to the brick around the doweling. When you let go of the brick, the coiled string will turn the axel and the...
This simple, easy to make robot was designed in Ancient Greece, and it is considered to be the first programmable device. With a few bits of wood, string, and a brick you can build your very own!
It uses a brick hanging from a piece of string for it's power, and is capable of moving forwards and backwards and steering.
The frame is made from a piece of wood, with four smaller bits coming off, poking out the front. One on each side, and two in the middle. To connect these, I used two pin-nails on each small bit of wood, coming down through the main strut. I also added a bit of PVA glue (wood glue).