Plastic cap

Talking Booby Trap

Talking Booby Trap

People snatching your top-secret stuff? Here’s a sneaky gizmo to keep those snoops away.

Magnetic Knife Rack

Magnetic Knife Rack

A while ago I wanted to get a magnetic knife rack for a set of fancy chef’s knives I had received as a gift. This would keep them out of a counter-hogging knife block or, even worse, the kitchen drawer, and in a convenient, easy-to-reach place. Dismayed with the price of a professional rack, I […]

Gyrocar

Gyrocar

Add a motor and a track wheel to a toy gyroscope to make it run nonstop and perform tricks.