This is my latest bristle bot. When designing, I ran into a problem. I had no bristled surface bigger than a toothbrush! So I imprevised. I used three toothbrush heads instead of the usual one.
Step 1: Materials
You will need:
2-AAA's (I started off with AA's, but they were too heavy so I switched)
1-Hot Glue Gun
And a Boatload of Hot Glue