Build a Cordless Drill Powered Go-Kart

Educator and Make: author Gever Tulley helps kids build their own drill-powered go-karts at his Tinkering School in Montara, Calif., using small welded frames, bike parts, and cheap corded drills. We asked him to build a version for Make:, but we wanted it to be large and powerful enough to carry an... Read more »

Team Tailgaters – Park’n’Play

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  • 12/18/2012 @ 11:06 pm

The following instructions will guide you through the process of turning your Jeep, or another sport utility vehicle, into a multifunctional tailgating paradise. The Park’n’Play features a basketball hoop and a shelf that can hold a grill, food, etc. Read more »

Gravity Catapult

I have long been enamored of catapults. Invented around 400 B.C., they were used until nearly A.D. 1300. So for 1,700 years, catapults were arguably the largest, most expensive, and most powerful machines on the planet. Today, people build catapults for fun: Scout troops, historical reenactors, fathers and daughters, beer-stoked... Read more »

Berto’s Amphi-Cycle

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  • 12/18/2012 @ 11:00 pm

This is a low-tech project, so no welding or big machinery is needed. Everyone can use his or her own bicycle and make it amphibious. The conversion time from land to water is not more than 7 minutes; the same for the opposite direction. The design is usable for any... Read more »