My daughter loves Rainbows & also wanted a number 6 for her birthday so I came up with this combination. All of the cake is edible except for the butterflies. I made the grass out of shredded coconut & just rubbed some green food colouring through it. Sixth Birthday Cake, Birthday Love, Rainbow Birthday, Birthday Cake Girls, Birthday Cupcakes, Butterfly Party, Butterfly Birthday, Butterfly Cakes, Butterflies