Use your Tag Reader to bring this story to life. Join the Cat in the Hat for an afternoon of mischievous fun as he turns a dull, rainy day into a messy adventure for Sally and her brother. How will the kids clean it all up before their mother returns. Throughout the story, play learning activities that help build vocabulary and reading comprehension skills. Children can earn online rewards and parents can connect the Tag Reader to the online LeapFrog Learning Path to see what their child is learning.