Historical clue formulations

• Gift for an aspiring conductor — 2024-04-21
• Lionel collection — 2021-02-02
• Toy to keep track of? — 2019-01-13
• Something to keep track of? — 2016-05-03
• Toy on a layout — 2009-06-17
• Christmas tree circler, perhaps — 2006-07-21