Learn how to make tangrams that will keep the kids entertained for quite awhile. This seven piece set can be used to make a large variety of designs. You can even do what Karin from Leigh laurel Studios did and make several sets so her kids could mix and match colors. It is very easy to cut out the shapes when you use a tangram die from Sizzix.
Learn how to make your own: Magnetic Craft Foam Tangrams Tutorial