Historical clue formulations

• Classic toy with the jingle lyric "a spring, a spring, a marvelous thing!" — 2023-02-27
• Toy consisting of 80 feet of wire — 2012-01-11
• Spring toy — 2004-09-19
• American toy introduced in 1945 — 2002-10-24
• It goes downstairs — 2002-10-13