Boohbahs in Fairyland This particular cake was for two sisters to share. One little girl loves fairies and the other boohbahs. So I came up with this design to please them both. Very colourful yet in the same way pleasantly charming to look at. Two cakes were used, each being a pink and white marble sponge cake with pink buttercream. The cost to create this cake (suitable for about 35 kids portions) would be £65.00.