The Mathematicum in Gießen is the first hands-on mathematical museum in the world. Over 150 exhibits open a new door to mathematics. Visitors of all ages and educational backgrounds can experiment: they put together jigsaw puzzles, build bridges, rack their brains with riddles, stand in a giant soap skin and much more.
You can find more information and opening times here: mathematikum.de.
The Mathematikum in Gießen is the first mathematical hands-on museum in the world with over 150 exhibits for visitors of all ages and educational backgrounds.
mathematikum.de