Its not really a game, but a craft, but it eats up time and might be fun. Why not get tissue paper in pretty colors and show them how to twist it and make poofy flowers and wire them onto headbands for them to wear? Im sure you can find directions online for folding, tearing, twisting and wiring them together. They might get a kick oiut of making something so pretty to wear at the fancy teaparty.
Also, my neighbor bought flip flops for each little girl at her daughters party and they each had a pile of different colored water ballons to tie around the straps to decorate the flip flops. It was fun, easy and the kids each came home with a cute pair of summery shoes theyd made. She got everthing at the Dollar Store. My grand daughter still loves hers and wears them even in the winter,,lol. (o: