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Bicycle Go-Kart

101K Views, 74 Favorites

Improve Your Headlights!

171K Views, 46 Favorites

How to Fix Rust Spots on a Car

1.6M Views, 283 Favorites

[video] How to Use a Sling

15K Views, 8 Favorites

Newspaper Trick

14K Views, 12 Favorites

[video] How to Build a Sling

21K Views, 21 Favorites

How to Build Your Own Newspaper Hat

299K Views, 54 Favorites

A Simple Circuit Game

113K Views, 61 Favorites

How to Fix Your Dune Buggy's Brake Pedal

9.0K Views, 1 Favorites

Drawing Ellipses

45K Views, 40 Favorites

[video] 1D Accelerometer

4.0K Views, 5 Favorites

Magnetic Cars

50K Views, 14 Favorites

Paper Kite

74K Views, 28 Favorites

Summer Igloo

8.6K Views, 13 Favorites

Super Easy Starter Kite

17K Views, 25 Favorites

Water Balloon Catapult

158K Views, 81 Favorites

Bernoulli's Slalom

14K Views, 23 Favorites

Pinhole Eyeglasses

30K Views, 13 Favorites

How to Draw a Circle With String

35K Views, 3 Favorites