"Art with Anything" by MaryAnn Kohl. $14 on Amazon.
We just got this book a few days ago and I've already run out of post-it flags to mark all the projects I want to do! It has 52 "weeks" of projects set up, each week focusing on an everyday object (coffee filters, water bottles, playdough). Then it gives 5 activities to do with each object. So simple and so many great ideas. I only wish it had pictures. I'd highly recommend it!
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Re: Awesome kids craft book