Bowser's Castle Boss Battle

5 printed parts are only in this set

• Brick 1 x 2 with Black and Yellow Eyes (Dry Bones) PrintWhite
• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs and Two Arrows and…Black
• Tile 2 x 2 with Bowser and Barcode Print (Sticker)Green
• Tile 2 x 2 with Dry Bones, Pupils and Barcode Print (Sticker)Dark Bluish Gray
• Tile Round Corners 4 x 4 x 2/3 with Two Circle Arrows and Barcode Print…Medium Nougat

17 parts appear in only a few other sets

• Tile Special 2 x 3 with 2 Clips with Bowser Head PrintBlack · ×2also in 71360 Adventures with Mario (all Super Mario)
• Brick 1 x 3 with Open Mouth Smile with Teeth and Tongue (Boo) PrintWhitealso in 71399 Luigi's Mansion Entryway (all Super Mario)
• Brick Curved 1 x 2 x 1 No Studs with Jagged Black Line (Dry Bones Mouth) PrintWhitealso in 71436 King Boo's Haunted Mansion (all Super Mario)
• Brick Curved 1 x 2 x 1 No Studs with Two Black Tear Drops (Dry Bones Nostrils)…Whitealso in 71436 King Boo's Haunted Mansion (all Super Mario)
• Tile 2 x 2 with Clock in Straight Border and Barcode Print (Sticker)Dark Turquoisealso in 71365 Piranha Plant Power Slide (all Super Mario)
• Tile Round 2 x 2 with Three Dark Brown Lines PrintTanalso in 71436 King Boo's Haunted Mansion (all Super Mario)
• Arm, Long, with Technic PinLight Aqua · ×2also in 71436 King Boo's Haunted Mansion, 42643 Cotton Candy Stand and Scooter
• Brick 1 x 3 with Black Eyes and Eyebrows (Boo) PrintWhitealso in 71399 Luigi's Mansion Entryway, 71440 Adventures with Interactive LEGO Luigi (all Super Mario)
• Brick 2 x 2 with Clock Timer on Two Sides PrintDark Turquoisealso in 71365 Piranha Plant Power Slide, 71389 Lakitu Sky World (all Super Mario)
• Brick Wedged, Sloped 4 x 4 with White Underside Pattern (Koopa Troopa Shell)Dark Bluish Grayalso in 71394-9, 71436 King Boo's Haunted Mansion (all Super Mario)
• Feet, 2 x 2 x 2/3 with 4 Studs on TopLight Aquaalso in 71413-3, 71436 King Boo's Haunted Mansion (all Super Mario)
• Tile 2 x 2 with Boo and Barcode Print (Sticker)Whitealso in 71399 Luigi's Mansion Entryway, 71440 Adventures with Interactive LEGO Luigi (all Super Mario)
• and 5 more

3 parts are otherwise only found in Super Mario sets

• Plate Round Corners 8 x 8 x 2/3 Circle with Reduced KnobsRed · ×2
• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced KnobsMedium Nougat
• Plate Special 8 x 8 x 2/3 Octagon with RimWhite

12 moulds first came out in 2020, including in this set

• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced Knobs×9
• Plate Round Corners 6 x 6 x 2/3 Circle with Reduced Knobs×8
• Plate Round Corner 3 x 3 with 2 x 2 Round Cutout×4
• Arm, Long, with Technic Pin×2
• Brick Special 1 x 2 x 1 2/3 with 8 Studs on 3 Sides×2
• and 7 more

12 existing moulds first came out in their colour in 2020, including in this set

• Brick Wedged, Sloped 45° 2 x 2 CornerGreen · ×12
• Plate 2 x 14Red · ×6
• Animal Body Part, Barb / Claw / Tooth / Talon / Horn, MediumTan · ×2
• Brick Arch 1 x 4Bright Light Orange · ×2
• Brick Curved 1 x 2 x 1 No StudsDark Bluish Gray · ×2
• and 7 more