Christmas Centerpiece: This table decoration is becoming a hit for every holiday season. Simply flip a wine glass over and place a candle on top. Underneath you can place Christmas ornaments or any other holiday trinkets.
Fingerprint balloons -- fun kids art idea for birthday party invitations or group birthday art activity! This could be turned into a guest book for a kid's birthday party, along with an alphabet stamp kit for names.
thumb prints made into Christmas lights. Easy craft to do with the kids. To enhance this, I might extend the strand each year, so by the time they are older, you have a long string of thumb print lights.