Mana: we have this one & it has provided hours of play (again I prefer just plain vs. decorated - leaves more to the imagination & keeps room looking cleaner when you have other items around)
http://www.amazon.com/Dexton-Hideaw...&qid=1386031116&sr=8-17&keywords=tee+pee

Sounds like our girls would really get along! When does your DD turn 4? Ours turns 4 in a month