| Slot car racing is a leisure activity of racing | | | | fewer followers than that of model railroading. |
| electronically motorized model cars that are made to | | | | Most slot cars are models of real automobiles, but |
| run on tracks with a groove or slot to steer a car. | | | | some racers choose to have custom body styles. |
| Users can operate the racecars by means of | | | | Most patrons use commercially available slot cars, |
| hand-held controllers or throttles that regulate small, | | | | others choose motorized static models, and some |
| electronic motors hidden inside the cars. Greater | | | | create their own mechanisms and bodies from |
| pressure on a throttle generates a greater pace. | | | | fundamental parts and equipment. |
| Each car runs on a separate path, within its own slot. | | | | There are three regular slot car scales - 1/24 scale, 1 |
| The challenge in racing slot cars is in taking curves at | | | | 32 scale, and HO (Half 'O') size (1/87 to 1/64) scale. |
| the highest speed that will not cause a car to lose its | | | | There are two large HO racing organizations in the |
| grip on a track and turn to one side or deslot and go | | | | U.S., namely HOPRA (H.O. Professional Racing |
| in the air. | | | | Organization) and UFHORA (United Federation of H.O. |
| Many slot car racers favor a racetrack unobstructed | | | | Racers Association). Each hosts a national competition |
| by scenery, but some fans, like rail transport | | | | once in a year, usually in July. There are many |
| modeling with highly structured tracks, carved to | | | | state-wide associations running under these two |
| have the look of a real-life racecourse complete | | | | organizations. H.O. racetracks can fit in common |
| model buildings, trees, and people. Slot car racing has | | | | basements. |