This is the simplest robot you can make… out of old parts from around the house. While this little robot doesn’t use energy from the sun or wind, we’ve placed it here with other alternative energy projects because the parts come from the trash bin.


This project is an extension of the Jigglebot robot from Unit 10.


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15 Responses to “Bristle Brush Bot”

  1. Aurora Lipper says:

    Watch batteries are available at most drug stores and hardware stores.

  2. arrowmakercpi says:

    We do not have any old cellphones that we do not use anymore either.

  3. arrowmakercpi says:

    Looks cool! Where do you get the battery [we do not use watches, but I might find my old one that is cracked] and motor?

  4. kayleighbrewer1 says:

    ok thaks

  5. Watch the video and see what you have that will do about the same job as the toothbrush.

  6. kayleighbrewer1 says:

    I don’t have I old toothbrush what can I use?

  7. The materials list is listed right above the video… do you see it? If not, try logging in again.

  8. Suzanne Mendez says:

    I don’t see the individual shopping lists for each project instead of the unit, because we do not want to do them all.. I’m looking at bristle brush bot and see no list.

  9. Jeanette Roberts says:

    ok thanks!!

  10. You can add a tiny push-button switch or simply disconnect the wire from the battery.

  11. Jeanette Roberts says:

    love it! But how do you turn it off???

  12. Lorelei Grecian says:

    I made one, but I had to double up the toothbrushes for more support. 😀 But I had lots of fun making it.

  13. Get in there with a screwdriver carefully, as you don’t want to mangle the motor that you need. I suggest getting a couple of old cell phones from a store that recycles them – that way, you can mess up one without worrying about it. One of the keys to taking apart stuff is to go *slowly* and not just rip it open.

  14. Lorelei Grecian says:

    How would you suggest to take a cellphone apart?