BJCSD-What's the oldest child you've had in one??

[newmomto1]

My DS will be 3 in Feb., he's on the tall side. Wondering how long he'll fit. I cannot find any local stores that carry this to try it out.
Any advice?
TIA!!

[dscollier3]

My 43" tall 5.5yo fits fine in our BJCSD.

HTH, Sharon