Number 6 with figures

I'm doing a number 6 cake with figures of a boy and a girl, which is being collected tomorrow.

Yesterday I baked a 12"x10" cake. Once it was cold, I levelled it, filled it with jam and buttercream, then cut it into the shape of a number 6. I also marzipanned and iced it and got the balloon decorations around the side done.

Today, I "just" have to make the figures of a girl and a boy to sit on the top, pipe around the top and bottom edges of the cake and do the inscription. Whilst I'm definitely improving, modelling doesn't come naturally to me and so it takes a while.

Oh, and this morning I've also baked 8" square and 5" round cakes, which are going to be a fairy castle, for collection on Friday! So the plan is to finish this cake late afternoon (ha!) and then this evening I want to fill, cover and stack the two cakes, ready for finishing tomorrow. Thinking about it, because of the time, I will probably just get as far as covering them with marzipan, because I want to use my stone wall impression mat on the cakes and I don't want to be too tired and ruin it. So I may just do that part tomorrow. But I also have to cover some plastic piping in sugarpaste, for the towers and then make the pointy roof things (turrets?).