Melissa & Doug Sticker WOW!® is a whole new way to play with stickers! Pop the convenient sticker stack of 300 assorted pets-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. Cat Refill Stickers are a natural complement to the Sticker WOW!® Tuna the Cat sticker stamper, but they are compatible with all the cute and collectible Sticker WOW!® sticker stampers (sticker stamper not included). Sticker WOW!® promotes fine motor skills, encourages creative play, and it’s satisfying, fidget fun!