Bumprider sit is guaranteed to fit 10037 ofstrollers setting it apart from any other strollerboard currently on the market suitable for childrenaged between 2 5 years old approx it features ahandy detachable seat giving children the option toeither to sit or stand perfect for tired little legssimple to install and with no tools required familytrips out will be a walk in the parkfeatures large standing platform with an easily detachablesaddle shape seat with handlebar adjustable in bo