Wait until your baby reaches one year old or can hold their head steady while...

https://sticky-wiki.win/index.php/What_Weight_Limit_Matters_More:_The_Seat_or_the_Rack%3F

Wait until your baby reaches one year old or can hold their head steady while wearing a lightweight helmet. Neck strength matters more than age here. If you want interaction, try a front-mounted seat for shorter rides