For those who like making things

While pricing horse walkers I came across a site that describes how to make things - site makes great use of popups too:

These are my favorites so far:
Ongoing discussion on motors for horse walkers:
Popup for the kitchen
Personal Power Plant (want that FabLab!)
Wind Turbine from a Pringles Tube
Mousetrap
Fruit Fly Trap
Waffles - European style, which like English Muffins you only find in the US