For sleigh: Use tip 10 and buttercream icing to pipe in compartment area of sleigh; pipe tip 10 runners. Pipe tip 5 on top of sleigh.
For Santa: Use tip 7 to pipe in body; tuck tip 5 into side of body and pipe arms. Add tip 10 piped head with tip 7 hat; tip 4 mittens. Add tip 13 fur to hat and coat. Pipe tip 1 facial features and tip 2 swirl hair.