The Mannheimer Dult is a free fair that takes place every year in the city center. It features a variety of rides, games, and traditional food, as well as a festive atmosphere that is sure to delight visitors of all ages. The fair is a great way to experience the local community and culture, and is a must-visit for anyone looking for a fun and budget-friendly event in Mannheim. The fair takes place over a weekend in the summer, and is a popular destination for locals and tourists alike.