Historical clue formulations

• Tires out in a playground, perhaps — 2022-07-30
• Playground set — 2016-09-23
• Some playground equipment — 2016-07-18
• Playground section — 2005-01-23
• Equipment near teeter-totters — 2003-06-23
• Playground section — 2003-04-20
• Is hip — 1996-03-05