Defunct, Operated from to ≥
| Roller Coasters Built | 116 |
|---|---|
| Roller Coaster Locations | 136 |
| Extant Roller Coasters | 8 |
| In a 1959 letter to Kennywood Park, Ben Schiff stated that he was no longer planning to produce the larger size of Wild Mouse, having sold all his materials to a company in England that was going to produce the ride. "Butlin" is believed to be the company that Schiff sold his materials to. |