Historical clue formulations

• Little racer — 2017-05-07
• Racing vehicle — 2015-03-10
• Certain race entry — 2012-09-19
• Kiddie's racer — 2011-01-18
• ... — 2004-01-15
• Racer — 2001-03-31
• Miniature racer — 2000-01-05
• Junior's jalopy? — 1998-04-06
• Tot's transport — 1997-12-21
• Four-wheeler — 1997-11-21
• Track speedster — 1997-02-13
• Tyke's four-wheeler — 1994-03-04