Police HQ

Notable parts

• 1 mould appears in no other set: Windscreen 6 x 4 x 4 Curved with 2 Fingers.
• 5 parts come in a colour no other set has for that mould: Cockpit 10 x 4 x 5 with Technic Holes (White); Hose Rigid 3mm D. 34L / 27.2cm (Blue); Light and Sound Brick 4 x 2 x 4 Siren with Trans-Neon Orange Top (White); Panel 2 x 8 x 8 (Dark Gray); Technic Brick Special 12 x 2 with 2 Side and 2 End Pins, Technic Holes, and 4W… (White).
• 7 printed parts are only in this set: Panel 2 x 8 x 8 with Police Star Print (Trans-Dark Blue) ×2; Brick 2 x 4 x 3 with 'Wanted' Posters Print (Light Gray); Brick 2 x 6 x 3 with Star Badge and Black 'POLICE' Print (White); Grille 1 x 4 with Two Pins with Flames and Eyes Print (Black); Grille 1 x 4 with Two Pins with Star & Headlights Print (White); and 2 more.
• 18 parts appear in only a few other sets: Wheel 18 x 14 with Tread Small Hub (Red) ×4 — also in 4406 Buildings; Bar 8 x 8 x 2 Sliding Grill (Dark Gray) ×3 — also in 4608 Bank Breakout (all 4 Juniors); Panel 2 x 8 x 8 (Trans-Dark Blue) — also in 4609 Fire Attack Team (all 4 Juniors); Tail Shuttle with Police Blue Checkered Print (White) — also in 4604 Police Copter (all 4 Juniors); Technic Connector 3 x 1 x 4 with Two Pins and Click Hinge (Light Gray) — also in 4603 Res-Q Wrecker (all 4 Juniors); Support 2 x 2 x 8 with Grooves, Two Sided Lattice and Top Peg (White) ×16 — also in 4655 Quick Fix Station, 4620 AIR Operations HQ (all 4 Juniors); Brick Curved 1 x 4 with Sloped Ends and Two Top Studs (Trans-Neon Orange) ×2 — also in 4608 Bank Breakout, 4600 Police Cruiser (all 4 Juniors); Brick 2 x 4 x 3 (Light Gray) — also in 6600-2, 10030 Imperial Star Destroyer; Container / Box, Open Ended 2 x 4 x 4 with 1 Hinge Finger Each End (White) — also in 4608 Bank Breakout, 4669 Turbo-Charged Police Boat (all 4 Juniors); Fairing 1 x 4 Side Flaring Intake with Two Pins and Police Blue Checkered Print… (White) — also in 4608 Bank Breakout, 4600 Police Cruiser (all 4 Juniors); Fairing 1 x 4 Side Flaring Intake with Two Pins and Police Blue Checkered Print… (White) — also in 4608 Bank Breakout, 4600 Police Cruiser (all 4 Juniors); Helicopter Skid Rails 12 x 6 (Dark Gray) — also in 9320 Journey into Space, 4607 Copter Transport; and 6 more.
• 3 parts are otherwise only found in 4 Juniors sets: Steering Wheel Holder 2 x 2 (Light Gray); Steering Wheel Holder 2 x 2 (White); Vehicle Base 4 x 10 x 1 1/3 with 8 x 2 Recessed Center [4 Pins / Technic Holes] (Dark Gray).
• 25 moulds first came out in 2001, including in this set: Support 2 x 2 x 8 with Grooves, Two Sided Lattice and Top Peg ×16; Brick Special 12 x 12 Base with 4 Corner Pegs, 1 x 10 Cutouts, Grooves ×6; Fairing 1 x 4 Side Flaring Intake with Two Pins ×6; Panel 2 x 8 x 8 ×4; Tyre 24 x 14 Shallow Tread (Tread Small Hub) ×4; and 20 more.
• 5 existing moulds first came out in their colour in 2001, including in this set: Wheel 18 x 14 with Tread Small Hub (Red) ×4; Brick Round 1 x 1 Open Stud (Trans-Neon Orange) ×2; Brick Curved 2 x 3 (Dark Gray); Helicopter Skid Rails 12 x 6 (Dark Gray); Tile Special Round 2 x 2 - Thin Lifting Ring (Blue).
• 1 minifigure part with this print is only in this set: Juniors Midifig, Jack Stone, Black Jacket, Blue Legs, Blue Harness (Black).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.