here is my daughter (28 months) received this stroller with a doll that go with, they interact automatically. there is a lot of buttons and possibilités.Pour currently uses it as it comes, still too young to really exploit the functions to which they are. voila, a small gas plant technology but not yet fully exploited due to its age. If the wheels are not really high enough, no crosses almost no obstacles (big stack cobbled pavement) and the button to change the position is too hard for a child of 2 years, we have to do it in his place.