"Splash, splash - dive with us!" Just in time for World Water Day on March 22, 2024, the children's museum under the roof is opening a new special exhibition. Together with water flea Daphne, children aged between 4 and 12 can discover the secrets of water: What is the cool water made of? How much of it is in our bodies? And why do we constantly need to refill it? Daphne the water flea knows the answers and invites you to discover water as our most important food and habitat in exciting hands-on stations. Guests of all ages can help create a colorful pond world, dress up as a carp, newt or frog or dive into the cozy reading corner.