Solar Cockroach 2.0
The Solar Cockroach was designed as a very simple soldering and solar electronics kit.
There is currently one version of this kit available.
WARNING: We recently switched motors in the kit, and the directions do not reflect the changes yet. We have removed the "resistor" and traditional motor in favor of a self sticking motor with wires on it. It looks like a small coin battery with two colored wires coming off of it. This change was due to many people having problems soldering the previous motor.
Online Instructions (Instructables.com)