Defunct, Operated
| Former status | Operated |
|---|---|
| Roller Coasters Built | 8 |
| Roller Coaster Locations | 9 |
| In a 1959 letter to Kennywood, Ben Schiff stated that he was no longer planning to produce the Large 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. |