The LittleBits Korg Synth Kit enables their own instruments and sound machines with little to no engineering or musical knowledge. It connects to speakers, computers and headphones and plays well with microphones and mounting boards.
The kit includes
power module
oscillator
random module
keyboard
micro sequencer
envelope
filter
delay module
mix module
split module
synth speaker
battery and cable
instruction booklet
for more information, see https://www.youtube.com/watch?v=MTJCW8thTQk