Hydroponics - at Home and for Beginners
700-Lumen LED Bike Light
high power LED grow lights M.k2
How to Make a Three Axis CNC Machine (Cheaply and Easily)
Almost jigless bicycle frame building
Portable 12V Air Conditioner --Cheap and easy!
Ultimate Night Vision Headlamp - 500+ lumens with only 8 watts
The simplest bicycle framebuilding jig I could come up with...
Two-speed bike without a gear shifter
Sew a Kite
DIY Human Powered Wooden Hydrofoil - The "Hydrothopter"
Low-cost Spherical Speaker Array
Concrete Countertops for the Kitchen - A Solid Surface on the Cheap
Super Simple Light Tent