Creating robots does not need to be an expensive hobby. A small, Rover-type robot can be constructed using household items for the chassis (the base everything is attached to), and a couple of small driving motors can be used to move it.
The Rover-Pi robot is a small, buggy-type robot that has just two wheels and a skid or caster at the front to allow it to turn. One such robot is shown in the following image:
While it may not be in the same league as a Mars Exploration Rover, however, as you will see, there is plenty for you to experiment with.
You can also purchase many ...