LEGO City Mountain Arrest 60173 contains 303 pieces and brings together a two-storey crooks' hideout, police helicopter and getaway buggy. The hideout has an opening door, bathtub, beehive and a crane with chain for lowering the loot. The helicopter features an opening cockpit, two rotating rotors, rear door, net shooter and winch with rope and hook. It includes 4 minifigures—an officer, pilot and two crooks—and a bear figure. The helicopter measures approximately 13 cm high and 24 cm long.