This movie,can't remember the name,help me out?

okay i cannot rember the name but it was an older movie and it was about these kids who wanted a new mom because their mom was like uptight or unfair and then they went to this place and got to pick out differen moms i rember one of the moms worked at a circus and then they wanted their old mom back abd somehow they gother back in the end but i dont rember how do you no this movie?