Take fun on-the-go! Each color stack includes a set of 5 colors of crayons stacked inside, along with a built-in eraser in the cap. Pull the top crayon off and push it through the bottom to reveal the next color in the stack! Erasable crayons in a stack to go! 8 Unicorns, 8 Mermaids and 8 Fairies included in 24 piece display box. Doodle, Color, Design Anytime. Anywhere.