Arkham Asylum

3 moulds appear in no other set

• Neckwear Cape, Scalloped 5 Points Swept Left
• Neckwear Cape, Scalloped 7 Points, Wide, Red Back
• Neckwear Cape, Scalloped 8 Points Swept Left, Black Top

2 parts come in a colour no other set has for that mould

• Hair Long, Wavy with Lock on SideRed
• Minifig Neckwear Wings BirdLight Bluish Gray

12 parts appear in only a few other sets

• Bar Holder with ClipDark Green · ×2also in 31215 Vincent van Gogh – Sunflowers
• Tile 1 x 1 with Element Radium, '88 Ra Radium 226' PrintGlow in Dark Whitealso in 21355 The Evolution of STEM
• Vehicle Track, Roller Coaster, CurveBlackalso in 41685 Magical Funfair Roller Coaster
• Tyre, 21 x 6Black · ×4also in 40913 Vintage Parade Car, L0002223 Sweeper
• Brick Wedged, Sloped 45° 6 x 4 Double / 33°, 9 Bottom Tubes [Train Roof]Dark Bluish Gray · ×2also in 76041 The Hydra Fortress Smash, 70735 Ronin R.E.X.
• Animal, Bird, Owl, Baby [Plain]Light Bluish Grayalso in 76444 Diagon Alley Wizarding Shops, 42670 Heartlake City Apartments and Stores
• Plate Round Corner 3 x 3 with 2 x 2 Round CutoutDark Tanalso in 21356 River Steamboat, 71847 The Guardian Dragon
• Tile Round 1 x 1 with Scratched Coin, Heads PrintFlat Silveralso in 76303 Batman Tumbler vs. Two-Face & The Joker, L0002272 Bane with Prison Cell (all Super Heroes DC)
• Door 3 x 6Dark Brown · ×2also in 76417 Gringotts Wizarding Bank - Collectors' Edition, 43223 Asha in the City of Rosas, 77056 Blathers's Museum Collection
• Minifig Neckwear Airtanks with Large HolesBright Light Bluealso in 21359 Italian Riviera, L0002270 Mr. Freeze with Snowman, 11374 Arcade Pinball Machine
• Hair Long Wavy/CurlyLight Bluish Grayalso in 10326 Natural History Museum, 42615 Pet Adoption Day, 21355 The Evolution of STEM, 4000042 The Vault Memory Lane
• Helmet Dome, No StudTrans-Clearalso in 76274 Batman with the Batmobile vs. Harley Quinn and Mr. Freeze, 76301 Batman & Batmobile vs. Mr. Freeze, L0002270 Mr. Freeze with Snowman, 42686 Fun Indoor Playground

2 moulds first came out in 2025, including in this set

• Dome 1 x 1 x 2/3×12
• Tyre, 21 x 6×4

14 existing moulds first came out in their colour in 2025, including in this set

• Plate Special Round 1 x 1 with Hollow Stud and Underside ClipBlack · ×10
• Plate 4 x 4 CornerLight Bluish Gray · ×7
• Plate 3 x 3 CornerLight Bluish Gray · ×6
• Plate Special 1 x 4 with 2 Studs with Groove [New Underside]Sand Blue · ×5
• Plate Special Round 1 x 1 with Hollow Stud and Underside ClipTrans-Clear · ×3
• and 9 more

18 minifigure parts with their print are only in this set

• Torso Police Vest, Utility Belt, Silver Police Badge, Radio Print, Bright Light…Black · ×2
• Hips and Lime Legs with Leotard, Yellowish Green Skirt, Dark Green Leavers PrintLime
• Hips and Pearl Titanium Legs with Black Armor PrintPearl Titanium
• Minifig Head Batwoman, Silver Eye Mask, Red Lips, Neutral / SmileWhite
• Minifig Head Catwoman, Light Nougat Face, Silver Goggles with Red Glasses, Red…Black
• and 13 more