DD is spending time with her grandparents this summer. She will be 5.5 yrs old. She's currently 41# and 42". I expect she will be taller come summer, but not much heavier.
She is currently harnessed in a Britax Frontier 90. I know this seat is a breeze to install and I am able to install the seat for the grandparents. However, I'm uncertain if they will need/want to move it between cars (or if she'll travel with aunts/uncles). At what point is a booster an option? I have no intentions on moving her in my car, but is bolstering at 5.5 in their car okay? Is one better than the other?
She is currently harnessed in a Britax Frontier 90. I know this seat is a breeze to install and I am able to install the seat for the grandparents. However, I'm uncertain if they will need/want to move it between cars (or if she'll travel with aunts/uncles). At what point is a booster an option? I have no intentions on moving her in my car, but is bolstering at 5.5 in their car okay? Is one better than the other?