Could even make cardboard\/heavy cardstock white zebra; let students wrap black yarn for stripes. Paint stripes, put white zebra on tray, dip marble in black paint and roll marble back and forth over zebra. Can use black yarn for mane.
Alternative Summer Learning - 15 Ways to Use the iPad. Note: Although written as ways to use the iPad in the classroom, these are good activities to do at home over the summer to keep your student engaged in fun learning during the break.