We found these jars at the Eric Carle Museum in Amherst Massachusetts.  The Art Studio there had some great interactive projects for the kids and lots of inspiring ideas.  (We had more fun in the library and studio than the actual exhibits).   The gift shop is a wonderful and dangerous place packed with all the best children’s authors.  I love this use of jars to organize craft materials by color.  The blues are all recycled container tops waiting for kids to make into art and the browns are seeds and bark.  Ada is constantly bringing home treasures and this is a great way to organize them.  The jars look so pretty lined up on a shelf.  I love that a simple bit of organization can turn trash into beauty.