The Melissa & Doug Sticker WOW! set introduces a stamping mechanism for applying stickers, featuring the collectible Squash the Bulldozer character. The bundle includes a preloaded stamper with 300 removable stickers (100 unique construction-themed designs), a 24-page Bulldozer activity pad, 200 additional refill stickers (500 total stickers), and a bonus 24-page mini activity pad. The stamp-and-learn activities cover numbers, counting, matching, and search-and-find exercises. The stickers are not reusable but can be easily removed if needed. Designed for portability, the set has built-in storage for the stamper, making it suitable for travel, crafting, fidget play, and collecting. The product features a patent-pending design.