Operating since
Make: Bolliger & Mabillard
Model: Inverted Coaster / Custom
| Length | 2296.6 ft |
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| Height | 111.5 ft |
| Speed | 55.9 mph |
| Inversions | 3 |
| G-Force | 4.5 |
| Elements | Chain Lift Hill Zero-G Roll Jr. Immelmann Corkscrew Zero-G Roll |
| Arrangement | 7 cars per train. Riders are arranged 4 across in a single row for a total of 28 riders per train. |
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| Steel Fabricator | |
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| Installer | RCS GmbH |
| Because Gröna Lund is a rather small park with many rides close to each other or even interwoven, construction of 'Monster' takes a long time. The park does ground work and construction during the off season and then closes up the construction site/pit so visitors can enjoy the park during the operating season. |