Two teams of kids design and build catapults to fling a tennis ball as far as possible. Two teams of kid engineers design and build catapults to fling a tennis ball as far as possible.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. This weekend, New York City will host World Maker Faire, where DIY ...

What do you do with a coat hanger, some rubber bands, an Altoids tin, and ten minutes of free time? Why, you make a miniature catapult, of course. You can easily sneak this into just about any office ...

Cut two small notches into four of your craft sticks (A) as shown Cut two small notches into one of your craft sticks (B) as shown Using your hot melt glue gun, glue one of your craft sticks to one of ...

Learn to build a candy catapult today at the Kids Space at the Cincinnati Museum Center Learn to build a candy catapult today at the Kids Space at the Cincinnati ...

Taking a ride on this DIY human catapult could be the most fun you’ve ever had, but you’re going to have to be brave. The contraption flings base jumpers over a bridge and towards a river, where they ...

The Roman empire's onager catapult used torsion—twisting an object, in this case a restraining rope or spring, by applying torque—to build tension in the arm and generate a powerful swing. The onager ...

We just found one more video of one of the projects from that new book, Forbidden LEGO by Ulrik Pilegaard and Mike Dooley, and this one’s the Candy Catapult. The book with all the particulars about ...