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

Comes in 5 sets, made of 8 parts. The lowest-priced set it comes in is 75138 Hoth Attack (RRP £19.99).

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