http://whipup.net/2011/09/10/guest-blogger-series-creative-chalkboards/ and loved it! So versatile. The concept is this.. take a board book - from the dollar store or thrift store or garage sale.. and make it into a blackboard book with gesso, blackboard paint, and paint markers for added fun.
You could draw on lines for handwriting practice or math facts. And you could easily make ones sized for the shoebox. It could be a wonderful addition for both art and school.
Learn the how to's at the address above and do share if you have ideas for other pages.