Roadrunner Express
Six Flags Discovery Kingdom
| Ride type | Kiddie Coaster |
| Builder | Zamperla |
| Model | Family Gravity Coaster 80STD |
| Current status | Operating |
| Opening year | 1999 |
| Track length | 263 ' |
| Height | 13 ' |
| Coaches | six rows of two |
| Number of trains | 1 |
A figure-eight kiddie coaster takes tykes for turns around Looney Tunes Seaport.