Webkinz are plush toys that come with a unique code, allowing owners to access an online virtual world. Each toy represents a different animal, and players can care for their pet, play games, and decorate their virtual homes. The Webkinz website features various activities, including mini-games and educational content. Users can earn virtual currency called KinzCash to buy items for their pets and homes. The brand has gained popularity among children and collectors since its launch in 2005.