Bowls made of confetti! Great recycling art project--save all those leftover paper scraps (put in small bowls at each table). Collect a bunch and have the kids cut them up; Then make bowls made from confetti.
Fake-It Frugal's Fake Betty Crocker Cookie Mixes - Make your own pre-mixed cookie mixes for just pennies! Plus they don't have the extra junk like partially hydrogenated oils and high fructose corn syrup!