Electro E-Stim Tens Unit
An important part of every play kit, but also good for the muscles - one of these got sent to my dad to help with his achy back! This is the best E-stim / tens unit we have found.
Takes 3 AAA batteries (not included) OR attaches to a computer or other powered USB via the included connector.
Comes with a pin connector, a snap connector, and a gel pad connector.
Electro enabled sound and other devilishly fun electro enabled devices available separately.