Hand painted tree rings - would recommend putting all tree rings on a board (which could be painted a coordinating color to add pop to the art piece. Really neat idea for after school kids. Might just do 9 rings in a square frame!
The Yarn Bunny is the absolute cutest craft that kids can make to celebrate the joyful holiday. The Easter Bunny will be flattered that you think he is so cute. Easter crafts with kids are great ways to bond surrounding such an important holiday.