CLICK ONLY IF YOU DARE!!! https://bit.ly/2SxnT1N
These are two Symet BEAM Robots I made. The one with four caps. was a kit from Solarbotics.com. The other that looks like a bug I made from from techno-scrap parts. They were fun to make. I usually put them on a plate in my windowsill and let them skip around all day and "sleep" all night.