I got tired of making Thinking Sticks and I can't ship them overseas anymore without crazy-high shipping costs. Until I get around to making online randomizers, I'm sharing the word lists and directions. You don't need to use sticks and sharpies; there are other options. Some suggestions are in his first link:
Instructions in English and in French
Here is an introduction with links at the bottom to lists in French, Dutch and German and four English lists: American, British, Canadian and Australian.
Living with food - You don't know what your children need. They won't know either, if they're never allowed to live in such a way that they will learn to pay more attention ...