I have 2.5 and 4 year old girls and they both love Little People. We hardly have any princess stuff (we have a lot of Tinkerbell stuff instead) but they both saw the Little People Disney Castle and want it. My mom is getting it for them for Christmas as well as some other stuff.
Re: Fisher-Price Little People Disney Princess Songs Palace
It looks a little young for me. I might go with a something a little older so that it will last longer.
Maybe:
https://www.toysrus.com/product/index.jsp?productId=4393265&cagpspn=pla&pla=plat