Brilliant/useful repurposing of old CD cases. CD Case Greenhouse Tutorial - So You Think You're Crafty
DIY : CD Case Maze Toy--Could not find instructions, but I think pipe cleaners are used for the "walls".
Art Projects for Kids: Grass in a CD Case – Living Art. Put wet potting soil and seeds into cd case, can decorate with posterboard paint markers. Watch the seeds grow!
Do you have old CD cases lying around? Bet you do. and here is a list of all the things you could do with a CD case.
Changeable Picture Frames Simply print your favorite photos, cut to size, and slide into old jewel cases. We used double stick mounting tape to attach to the wall.