Often called a "Gee-Haw stick", it's an old toy made of two sticks. One is simply a stick. The other is a stick with notches carved into it and a propeller on the end. While rubbing the propeller-stick with the stick-stick, the propeller rotates. Cool, but there's more. By saying "Gee!" it rotates to the right. By saying, "Haw!" it reverses back to the left. This is a great little doo-hickey for aggravating kids and grown-ups alike, both of which often can't for the life of them figure out the perplexing little toy.
A spoiler explanation of how to make it work its magic is included in this Instructable.
Step 1: Background, Materials, and Tools
A "Whoopie Stick" has many names: Gee-Haw Stick, Whammy Diddle, Whimmy Diddle, Whirli-gig, VooDoo Stick, and probably many others. Gee-Haw might be the best name because it's descriptive. In the old days, when driving mules, the teamster might holler "Gee!" to tell the mules to turn right, or "Haw!" meaning turn left. (Mules, of course, don't understand "right" or "left", but they apparently do understand "Gee" and "Haw.") So, calling the toy a "Gee-Haw stick" implies turning right and left, which is what it does.
- Two sticks
- One small nail
- Knife to carve notches
- Drill and bit (you can likely make do without a drill, but it sure helps)