Kangaroo Has Done It Again. This Time With A Special Valentines Card Assortment That Also Acts As Paper Airplanes That Can Be Flown Rather Than Handed To That Special Friend. 32 Paper Airplane Valentines, 2 Unique Pilot Stickers and 4 Different Paper Airplane Designs. Recommended For Ages 3 and Up. One Kit is Typically Enough for One Full Classroom. We Think These Are The Best Valentine Day Cards for Kids on the Market!