There is ひな祭り and there is 雛まつり Both are "hinamatsuri" but one means Doll's Festival and the other puts Hina's name into it, making it a pun.
Also, the song Marisa sings in her head rhymes! "Tanoshii" and "matsurii" (she stretches both sounds to make it work)
HooI decorated the Doll's Festival (or Girl's Festival, or Girl's Day)PuppetDo you also make ordinary dolls...?PatchouliTodaaay is a fuuun Hina festivaaal daze...How?Not ordinary dolls