Drievliet opened in 1938 but the first playground was build in 1951. Today Drievliet is a decent sized amusement park with 4 roller coasters. Besides the roller coasters they have some water rides, fun fair rides, an arcade and a 3D Cinema.
Their latest coaster is called Formule X build by the german coaster designer Maurer Söhne. Formule X has a 355 meter long track where you reach speeds up to 70km (44 miles) and takes about 47 seconds.