Historical clue formulations

• Amusement park ride, perhaps — 2021-07-23
• Track vehicle — 2015-07-12
• Racing vehicle on a small track — 2014-09-29
• Kiddie racer — 2014-01-06
• Amusement park vehicle — 2008-03-29
• Fun park car — 2005-10-17
• Kiddie racer — 2004-08-22
• Racer, of a sort — 2000-02-06
• Racing vehicle — 1997-04-28