IIO and Melody Mill are among Critter and Guitaris most popular products.

Melody Mill

Critter and Guitari

Note generation module: MIDI Interface/Arpeggiator/Sequencer/Controller

$360 MSRP
Discontinued

IIO

Critter and Guitari

Speaker Module

$100 MSRP
17 HP Utility

Pocket Piano

Critter and Guitari

Pocket Piano MIDI

$246 MSRP
Discontinued

Organelle M

Critter and Guitari

A music computer that runs patches built in Pure Data

$595 MSRP