Europole de Sarreguemines is just one of the places to see in Hambach, so why not enjoy the other things to explore during your travels? You can enjoy the restaurants while in the area.
After visiting Château de La Petite-Pierre, make a plan to see the other sights and activities in La Petite-Pierre. While you're in the area, wander around the parks.
Parc Industriel Sud is just one of the places to see in Sarreguemines, so why not enjoy the other things to explore during your travels? Take in the museums while you're in the area.