I found on the Internet such an interesting idea for creating a robot cockroach from paper clips. This video is not just a master class, but a full-sized, detailed instruction! From which you will learn all the nuances of creating home-made robots do it yourself from paper clips.
If you have soldering skills, then manufacturing such homemade not cause difficulties.
I will also try to make such a robot, but I do not have a small motor with a gearbox, I will look for a similar one or I will analyze an unnecessary Chinese toy. I also have a solar battery:
On its basis, you can make a good robot))
It often seems to us that we cannot do what we can do, so we are not even trying to try to make it. We bring to your attention a similar under the tree, but simpler, also from improvised materials - Do-it-yourself robot.
We will be happy for your success, try and share your creations: fellow: