Solar Tracking Platform
Use a solar-powered motor and a shade to follow the sun, maximizing its energy.
Epoxy
10-Rail Model Rocket Mega-Launcher
Make the cub scout rocket derby a blast.
USBattery
Hide a secret flash drive in an innocent AA cell.
Cosmic Night Light
Make a glittering LED constellation jammed in resin —- with no soldering!
Wooden Mini Yacht
Build a Wooden Mini Yacht this weekend.
Build a POSC Synthesizer
How to assemble the classic 555-based oscillator kit.
Solarroller BEAM Race Car
A little solar-powered racecar made from techno-junk.