For true DIY, hack the included cassette mechanism into a solar-powered device using the high performance Miller Solarengine which converts light into impressive bursts of energy! High performance, SCC3733-MSE version.
Want to build the Solar Xylophone in Make Volume 12? This bundle will get you started on Rory Nugent's project.
This is our latest kit, and features our solar-powered perpetual rolling action.