This refill set contains 200 assorted pets-themed stickers designed for Melissa & Doug Sticker WOW! stampers (not included). The pack includes 100 unique designs, ensuring varied stamped results. A mini 24-page activity pad (2.25 by 4.25 inches) is also included for creative play. The stickers are compatible with all Sticker WOW! stampers, with optimal performance in the Dog and Cat models. Simply load the stickers into the stamper cartridge for immediate use. The stickers are non-reusable but can be easily removed when needed, making them suitable for mess-free travel, crafts, fidget play, and collecting. This set is intended for children ages 3 to 7 and supports hands-on, screen-free activities. The product has a patent pending. Note: A sticker stamper is required and sold separately.