You can build the OMSynth Mini Lab on your own! It is a circuit development and performance interface designed to help inventors quickly build and experiment with creative circuits. It was designed with beginners in mind but is perfectly suited for seasoned builders and complex circuit development. For more info go here.
Go through the complete assembly guide in downloads section below and make sure that you understand all the steps.
- Complete assembly guide (PDF v3.2 update, PDF v3.2)
- Bill of Materials (Googledocs)
- Schematics (PDF)
- Board diagram (PDF)