Fabric covered circle bulletin boards - I will use for his art with kiddie fabrics. Corkboard trivets really inexpensive at Ikea! no link - but just used fabric and glue:)
FINALLY - a use for all of those toilet paper rolls that Dave keeps. Recycle Toilet Paper Rolls For Organizing DIY if you are in a financial pinch or just want to be crafty. perhaps wrap in some stiff paper for more support