rainbow party for twin girls. berry blue jello mmf (search "jello mmf" in the recipes section) on cakes and board. mmf with tylose for rainbow and tappits numbers. mmf tappits names, clouds and ball borders. rainbow made with walnut hollow extruder.
Take an empty coke bottle and fit it into a balloon. For adding a bit pop to this idea you could also decorate your balloon with beads, studs or design them with markers and glitters- after fitting the coke bottle.