No longer available:
The Thingamagoop 2x
3TrinsRBG+1c video synth by Gieskes
HSS3jb Video synth by Gieskes
Bleep Labs products are not for children. Kits should only be built by adults or with strict adult supervision.
Be sure to understand how to safely operate a soldering iron as well as any other tool called for before building your kit.