Scoop Fresh Air Into Your Car with This Window Vent
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Build Your Kid a Drivable Electric Tank
Build Your Own Android-Powered Self Driving R/C Car
Build a Cordless Drill Powered Go-Kart
Retro R/C Racer
Kicking Gas: Notes On Converting A Car To Electric
Build a RC Car from Common Materials
Currency Manager Tip for Drive-up Windows
EZ-EL Wire Car Kit
Solar-Powered Boat Prototype
$20 Beer Tap Shifter
Secret Garage Door Remote
The Drill Rod, the Drill-Powered Mini Bike
Having a house 100 vertical feet above your dock makes for a lot of steps; 10 stories, give or take.
Home-Built Funicular (Motorized People-Mover System)
Living Room Baja Buggies
Soapbox Racer Out of Found Material