Reznor Knockdown

Notable parts

• 1 part comes in a colour no other set has for that mould: Technic Tread Sprocket Wheel Large 10 Tooth (Light Bluish Gray).
• 7 printed parts are only in this set: Brick Curved 2 x 2 x 2/3 with Black Mouth, White Eyes print (Light Bluish Gray) ×2; Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs and 'X' and Barcode… (Medium Nougat) ×2; Tile 2 x 2 with Grrrol and Barcode Print (Sticker) (Red) ×2; Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs and Spiked Ram and… (Black); Tile 2 x 2 with Reznor and Barcode Print (Sticker) (Light Bluish Gray) ×2; and 2 more.
• 9 parts appear in only a few other sets: Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening (Yellow) ×2 — also in 72167 Charizard vs. Jolteon Ultimate Battle; Tile 2 x 2 with 'Start', Three Coins, and Barcode Print (Sticker) (Yellow) — also in 71434 Soda Jungle Maker Set (all Super Mario); Tile 2 x 2 with Stopwatch, Coins print (Yellow) — also in 71434 Soda Jungle Maker Set (all Super Mario); Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening (Dark Bluish Gray) ×2 — also in 71388 Boss Sumo Bro Topple, 71401 Luigi's Mansion Haunt-and-Seek (all Super Mario); Brick Special Cube with 2 x 2 Studs on Top, and Blue Circles Print (White) — also in 71419 Peach's Garden Balloon Ride, 72041 Party at Toad's House (all Super Mario); Brick 2 x 2 with Face, Surprised Open Mouth print (Light Nougat) — also in 71407 Cat Peach Suit and Frozen Tower, 71423 Dry Bowser Castle Battle, 71441 Adventures with Interactive LEGO Peach (all Super Mario); Feet, 2 x 2 x 2/3, Front Left Foot Forward with 4 Studs on Top (Reddish Brown) — also in 71391 Bowser's Airship, 71403 Adventures with Peach, 71427 Larry's and Morton's Airships (all Super Mario); Pipe 6 x 6 (Warp Pipe) (Yellow) — also in 71380 Master Your Adventure, 71408 Peach's Castle, 71434 Soda Jungle Maker Set (all Super Mario); Tile 2 x 2 with Speech Bubble with '!' and Barcode Print (Sticker) (Blue) — also in 71401 Luigi's Mansion Haunt-and-Seek, 71407 Cat Peach Suit and Frozen Tower, 71423 Dry Bowser Castle Battle, 71441 Adventures with Interactive LEGO Peach (all Super Mario).
• 1 part is otherwise only found in Super Mario sets: Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs (Medium Nougat) ×5.
• 7 moulds first came out in 2021, including in this set: Bracket 1 x 1 - 1 x 2 ×12; Plate 2 x 3 with 1 x 1 Cutout ×6; Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 Opening ×4; Tile 3 x 3 Curved, Macaroni ×4; Bracket 1 x 1 - 1 x 2 Inverted ×2; and 2 more.
• 3 existing moulds first came out in their colour in 2021, including in this set: Plate Round 6 x 6 with Hole (Medium Nougat) ×3; Pipe 6 x 6 (Warp Pipe) (Yellow); Plate 2 x 6 (Medium Nougat).

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