I designed this project for a 10-hour workshop for ChickTech.org whose goal is to introduce teenage women to STEM topics. The goals for this project were:
With those goals in mind, here were a couple of the design choices:
Here is the robot that came closest to what I wanted to do: http://mirobot.io. I don't have a laser cutter and shipping from England was prohibitive. I do have a 3D printer, so I guess you can see where this is going . . .
Don't let the lack of a 3D printer deter you. You can locate local hobbyists willing to help you out at www.3dhubs.com
It took a lot of work, but I'm please with how it turned out. And, I learned quite a bit in the process. Let me know what you think!
There are a number of ways to power, drive, and control robots. You may have different parts on hand that will work, but these are the ones I've tried and found to work well:
Printed Parts (check out www.3dhubs.com if you don't have access to a printer):