What to wear for a Pine Swing session, and why your Frosty Forest outfit will do the job.

What to wear for an Elf Works session, the toy workshop set built for children who would rather be doing than sitting.

What to wear for a Winter Arch session, the quiet garlanded set in sage, cream and soft green.

What to wear for a Frosty Forest session, the snowy woodland set with the birch teepees.

The last of this year's four Christmas sets is a wooden swing hanging in the dark, trimmed with pine and berries.