🧱 Completeness checklist

Minifigures

1 to find

1×Train Worker - Red Vest, Dark Gray Legs, White Helmet, Sunglassesfig-000580

Black

19 types · 33 pieces

6×Technic Brick 1 x 4 [3 Pin Holes]37014×Bracket 5 x 2 x 2 1/3 with Holes, Smooth Bottom60872×Brick 1 x 630092×Brick 2 x 430012×Cone 1 x 1 [No Top Groove]45892×Tyre Offset Tread 24 x 834832×Wheel Holder, Train with Wheels [Complete Assembly]2878c012×Wheel with Split Axle hole34821×Brick Special 1 x 1 with Headlight40701×Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°]4285b1×Magnet Cylindrical730921×Plate Special 1 x 6 with Train Wagon End Fence65831×Slope 45° 2 x 1 with Bottom Pin3040b1×Slope 45° 4 x 4301821×Technic Axle 1237081×Technic Axle 637061×Technic Plate 2 x 6 [5 Holes]320011×Train Buffer Beam40221×Train Coupling New2920

Light Gray

7 types · 7 pieces

1×Brick Round 2 x 2 with Axle Hole39411×Dish 8 x 8 Inverted [Radar], Solid Studs, Rounded Anti-stud Underside39611×Lever Small Base with Black Lever298c021×Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a1×Slope 45° 2 x 230391×Technic Bush37131×Tile Special 1 x 2 Grille with Bottom Groove2412b

Blue

4 types · 6 pieces

2×Plate 2 x 1224452×Slope 33° 2 x 2 Double33001×Plate 1 x 636661×Plate 2 x 43020

White

3 types · 4 pieces

2×Plate 2 x 330211×Rubber Belt Small [15mm ID] [Round Cross Section]855431×Tile 1 x 2 with Telemetry Panel Print3069bpr0043

Trans-Yellow

1 types · 2 pieces

2×Plate 1 x 13024

Chrome Silver

1 types · 1 pieces

1×Exhaust Pipe71137

[No Color/Any Color]

1 types · 1 pieces

1×Sticker Sheet for Set 4533-172578

Tick a part when you've found them all. Your ticks are saved on this device. Counts are the official Rebrickable inventory for this set — spares included where the set ships them.