Horizon Express

Notable parts

• 1 part comes in a colour no other set has for that mould: Vehicle Base, Train 6 x 28 with Two 2 x 2 Openings and 3 Round Holes Each End (Orange) ×3.
• 3 printed parts are only in this set: Tile 2 x 4 with Orange Triangle at Upper Left of Diagonal White Line Print (Black); Tile 2 x 4 with Orange Triangle at Upper Right of Diagonal White Line Print (Black); Windscreen 3 x 6 x 1 Curved with Black Window Outline Print (Trans-Clear).
• 2 parts appear in only a few other sets: Brick Wedged, Sloped 6 x 8 Cutout (Orange) ×3 — also in 6586 Polar Scout; Hose Rigid 3mm D. 19L / 15.2cm (Black) — also in 10133 Burlington Northern Santa Fe (BNSF) Locomotive, 7131 Anakin's Podracer, 7171 Mos Espa Podrace, 4852 Spider-Man vs. Green Goblin -- The final showdown.
• 1 mould first came out in 2013, including in this set: Brick Wedged, Sloped 45° 6 x 4 Double / 33°, 5 Bottom Tubes [Train Roof] ×2.
• 5 existing moulds first came out in their colour in 2013, including in this set: Bracket 1 x 2 - 1 x 2 Inverted (Black) ×13; Brick Special 1 x 1 with Handle (Orange) ×4; Pneumatic Hose Connector with Axle Connector (Dark Bluish Gray) ×4; Wedge Plate 2 x 4 (Orange) ×4; Equipment Bottle (Trans-Green).

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