Snowtrooper, Light Bluish Gray Hips, Neck Bracket with Printed 1 x 1 Tile and 1 x 1 Plate with Clip Light

Comes in 1 set, made of 7 parts. The lowest-priced set it comes in is 75146 Star Wars Advent Calendar 2016 (RRP £24.99).

Check the minifigures carefully when buying a used set: they're part of its grade.