This video, via gear4music1, demonstrates the ZVex InventoBox – a unique kit that lets you design and build custom effects pedals, without soldering.
The InventoBox comes with two different channels so you can build either one or two different devices into the same box. All of the necessary components are included to make it easy for you… there’s a variety of potentiometer values and switches all ready inside the box, quickly accessible through tiny sockets which accept standard experimenter socket wires or included cables. The unit is easily opened by hand to make fast modifications to the circuitry.
See the ZVex site for details.