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.
Bonhommes de neige et empreintes de doigts Fingerprint snowman. This would be so much fun if they made all the snowmen themselves but had everyone in class make the parts. So, if there are 25 kids, they make 25 snowmen and each kid makes one.