Arkham Asylum

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

• Bar 1 x 4 x 2Dark Red · ×6
• Glass for Window 1 x 4 x 6Yellowish Green · ×4
• Wheel Arch, Mudguard 4 x 2 1/2 x 2 with 2 x 2 PlateMedium Blue · ×4
• Torso, Light Bluish Gray Arms and HandsLight Bluish Gray

1 printed part is only in this set

• Tile 2 x 2 with Arkham Asylum Papers PrintSand Blue

9 parts appear in only a few other sets

• Panel 3 x 3 x 6 Corner Wall without Bottom IndentationsReddish Brown · ×10also in 76383 Hogwarts Moment: Potions Class
• Brick Wedged 3 x 3 FacetReddish Brown · ×6also in 75826 King Pig's Castle
• Animal, Snake, SmallLight Bluish Grayalso in 75204 Sandspeeder
• Minifig Hipwear Utility BeltOrangealso in 70909 Batcave Break-In (all Super Heroes DC)
• Brick Round Corner 6 x 6 x 2Black · ×2also in 60071 Hovercraft Arrest, 70008 Gorzan's Gorilla Striker
• Tile 2 x 3Bright Light Blue · ×2also in 41711 Emma's Art School, 43015 Lionel Messi – Football Legend
• Equipment Camera Handheld with Central ViewfinderRedalso in 70613 Garma Mecha Man, 70921 Harley Quinn Cannonball Attack
• Brick Sloped 30° 1 x 2 x 2/3Medium Blue · ×2also in 41193 Aira & the Song of the Wind Dragon, 302107 Cinderella's Carriage, 76440 Triwizard Tournament: The Arrival
• Equipment Magnifying Glass with Thick Frame and Solid Handle with Trans-Clear…Blackalso in 70914 Bane Toxic Truck Attack, 70921 Harley Quinn Cannonball Attack, 8720865558554

8 moulds first came out in 2017, including in this set

• Minifig Hipwear Utility Belt×2
• Hair and Hat, Bowler, Dark Orange Wavy Shoulder Length Hair, with Bright Green…
• Hair and Large Thick Glasses, Parted and Wavy with One Eye Squinting Print…
• Hair Bushy Swept Back (The Joker)
• Hair Long Wavy with Curled Bangs, White Rose and Green Leaves Print
• and 3 more

8 existing moulds first came out in their colour in 2017, including in this set

• Panel 3 x 3 x 6 Corner Wall without Bottom IndentationsReddish Brown · ×10
• Brick Sloped 30° 1 x 2 x 2/3Medium Blue · ×2
• Tile 2 x 3Bright Light Blue · ×2
• Window 1 x 4 x 1 2/3 with Spoked Rounded TopBlack · ×2
• Animal, Snake, SmallLight Bluish Gray
• and 3 more

10 minifigure parts with their print are only in this set

• Hips and White Legs with Black Belt and Silver Buckle PrintWhite
• Hips with White Legs and Black Boots Pattern with Lab Coattails over Black…White
• Minifig Head Aaron Cash, Dual Sided, Eyebrows, Goatee, Firm Grin / Tense Print…Reddish Brown
• Minifig Head Harleen Quinzel (Harley Quinn), Dual Sided, Dark Red Glasses and…Light Nougat
• Torso, Jacket with Pockets, Bright Green ID Badge and 'ARKHAM ASYLUM' on Back…White
• and 5 more