Quantity   Component name
1 × Toothbrush one ordinary toothbrush
1 × Vibrating motor I used one ordered from dx.com
1 × 3D printed battery holder source file can be found on http://www.thingiverse.com/thing:280985
1 × CR2032 battery for power
1 × Hotglue to glue the parts together
1 × googly eye (optional) to give it that minion feeling