| | Oakland Beach Park | Warwick, Rhode Island, United States | - | s | - | s |
| | Euclid Beach | Cleveland, Ohio, United States | - | | - | |
| | Minato Amusement Park | Minato, Osaka, Osaka, Japan | - | | - | |
| | Marine Lake Pleasure Beach | Rhyl, Denbighshire, Wales, United Kingdom | - | | - | |
| | Playtown Park | Morton, Pennsylvania, United States | - | | - | ≥ |
| | Wedgewood Village | Oklahoma City, Oklahoma, United States | - | | - | |
| | Jantzen Beach Amusement Park | Portland, Oregon, United States | - | | - | |
| | Glen Park | Williamsville, New York, United States | - | - | - | |
| | Tower Grounds | New Brighton, Merseyside, England, United Kingdom | - | | - | |
| | Kulturpark Rotehorn | Magdeburg, Saxony-Anhalt, Germany | - | | - | ≥ |
| | HemisFair '68 | San Antonio, Texas, United States | - | | - | |
| | Fairyland | Elmhurst, New York, United States | - | | - | |
| | Airport Kiddieland | Binghamton, New York, United States | - | | - | ≥ |
| | Forest Park | Hanover, Pennsylvania, United States | - | ≤ | - | - |
| | Natatorium Park | Spokane, Washington, United States | - | - | - | |
| | Rainbow Gardens | McKeesport, Pennsylvania, United States | - | s | - | |
| | Gay Dolphin Park | Myrtle Beach, South Carolina, United States | - | - | - | |
| | Walled Lake Park | Walled Lake, Michigan, United States | - | | - | |
| | 1968 Hokkaido Grand Fair | Minami, Sapporo, Hokkaido, Japan | - | | - | |
| | Mago Vista Beach Club | Arnold, Maryland, United States | - | | - | |
| | Toya no Family Land | Chuo, Niigata, Niigata, Japan | - | ≤ | - | - |
| | Fun Fair Kiddy Park | Skokie, Illinois, United States | - | ≤ | - | |
| | Lakeview Amusement Park | Mendon, Massachusetts, United States | - | | - | ≥ |
| | Peppermint Park | Madison, Wisconsin, United States | - | | - | |