Crayola POPS 3D Inflatable Characters Activity Set lets you create colourful art and transform it into whimsical 3-dimensional unicorn figures! First colour the characters with the included markers and add fun themed stickers. When you're ready to display your character, give it a smack and watch it pop out into a fun 3D figure before your eyes! The Crayola POPS 3D Inflatable Characters Activity Set includes 4 inflatable unicorn characters, 1 sticker sheet and 5 Pip-Squeaks washable markers. This 3D activity set makes a great gift for boys and girls, ages 5 and up.