Melissa & Doug Sticker WOW!™ is a whole new way to play with stickers! Pop the convenient sticker stack of 300 assorted Dinosaur prehistoric-themed stickers into any Sticker WOW!™ Sticker Stamper cartridge, and stamp away, anywhere, anytime! With 100 unique designs in every sticker stack, each sticker stamped is a surprise. Sticker WOW!™ Refill Stickers are easy to remove and are great for creative arts and crafts projects. Dinosaur Refill Stickers are a natural complement to the Sticker WOW!™ Olive the Dinosaur sticker stamper, but they are compatible with all the cute and collectible Sticker WOW!™ sticker stampers (sticker stamper not included). Sticker WOW!™ (patent pending) promotes fine motor skills, encourages creative play, and it's satisfying, fidget fun!