Minion (and snail) bristlebots

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my take on the classic bristlebot, with 3D printed battery holder

kefcom

1

Step 1

cut the head of a toothbrush
2

Step 2

print the battery holder
3

Step 3

attach the vibration motor to the battery holder and put the 2 leads into the holder block so the battery can touch it.
4

Step 4

hotglue the holder to the toothbrush head
5

Step 5

cut (if needed) the toothbrush hairs to length and bend them backwards so the bristlebot will go forward instead of in circles.
6

Step 6

decorate and race!

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