Silly Putty, Lint Dough, Moon Sand and Other Science Recipes Science and math concepts sink in best when kids are making a noise and mess. Easy, green recipes for hands-on, hands-in fun! Use recycles materials. Make DIY craft dough at a fraction of the commercial cost. Here are several recipes for farting putty, oobleck or goop, green lint dough, Moon Sand and more. Read on
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