| Roller Coaster: | Rattlesnake (2011 to present) Wok's Waanzin (2005 to 2010) Road Runner Express (2000 to 2004) Keverbaan (1992 to 1999) |
| Amusement Park: | Walibi Holland (Biddinghuizen, Flevoland, Netherlands) |
| Classification: | Roller Coaster |
| Type: | Steel - Sit Down |
| Status: | Operating since 1992 |
| Make / Model: | Zierer / Tivoli / Tivoli - Medium |
| Designer: | Ing.-Büro Stengel GmbH |
| Dimensions: | 127.8 ft x 75.5 ft |
| Categories: | Family |
| Maps: | Bing Maps (Satellite) · Google Maps (Satellite) |
| Capacity: | 1,000 riders per hour |
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| Length: | 652.9 ft | |
| Height: | 19.7 ft | |
| Inversions: | 0 | |
| Speed: | 19.9 mph | |
| Duration: | 1:30 | |
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| Notes: | This is a mirror image of the standard Zierer Medium Tivoli model. So the train leaves the station to the left rather than the right. |
| Location: | For the 2011 season, the Rattlesnake was moved out of the kid's area and to the former location of the Flying Dutchman Gold Mine and reuses it's former entrance. |
| Etymology: | "Wok's Waanzin" is Dutch for "Wok's Madness". |
| Theme: | The Keverbaan train was originally painted red. When the park changed from Walibi Flevo to Six Flags Holland in 2000 it was renamed to Road Runner Express and the train was painted brown. Then for the 2003 season, the train was repainted red again. |