Wait until your baby sits independently and holds their head steady while...

https://www.acid-bookmarks.win/most-experts-suggest-waiting-until-your-little-one-sits-up-steadily-on-their

Wait until your baby sits independently and holds their head steady while wearing a helmet, usually by 9-12 months. Front seats offer interaction, rear mounts provide stability, and trailers allow for cozy naps. Prioritize neck strength over age always.