Policeman, Dark Blue Jacket with Zipper, Badge, and 'POLICE' on Back, White Helmet with Visor, Silver Sunglasses

Comes in 4 sets, made of 5 parts. The lowest-priced set it comes in is 60041 Crook Pursuit (RRP £4.99).

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