Karsten and Petra are two 5-year-olds who have a lot of adventures together.
They both have a stuffed animal. Karsten’s stuffed animal is named Cubs and Petra’s is named Mrs Rabbit. These stuffed animals can talk! Karsten and Petra take Cubs and Mrs Rabbit everywhere they go. Karsten and Petra already have their own line of merchandise, and there are a television series and several movies about the two friends. Now they have their own 3-in-1 puzzle box containing three different puzzles!