Encourage the kids to get decorating with these fun twit-twoo owl cupcakes. Slice the top off a chocolate muffin and let kids layer on chocolate buttons and jellies. Find this Halloween recipe and more on the Waitrose website.
I could do this as £75 for 2 tier or £45 for single tier but would need you to provide the Lego bit for the topper. I can add characters for £7 each or you could provide them. I would put the cake on a larger board and have Happy Birthday etc written on the board.