10-Rail Model Rocket Mega-Launcher
Make the cub scout rocket derby a blast.
Plywood
Econowave Speakers
Turn good vintage speakers into great modern ones.
Gyrocar
Add a motor and a track wheel to a toy gyroscope to make it run nonstop and perform tricks.
The Most Useless Machine
Through its one meaningless act of defiance, it speaks volumes.
Kitchen Floor Vacuum Former
Make durable 3D plastic parts.
Solar Xylophone
This autonomous instrument uses Solarengine circuits and chimes.
Plywood Coffee Table
Make elegant furniture with no nails, screws, or glue.
