The Little Mermaid Royal Clamshell

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

• Wedge Plate 6 x 2 LeftLight Aqua · ×5
• Wedge Plate 6 x 2 RightLight Aqua · ×5
• Animal, Fish [Hollow Stud Mouth]Magenta · ×3
• Hair Ponytail Long Straight with TieLavender
• Minifig Head [Plain] [Hollow Stud]Warm Tan

13 parts appear in only a few other sets

• Brick Curved 1 x 5 x 4 InvertedDark Tan · ×3also in 76440 Triwizard Tournament: The Arrival
• Animal, Fish with Yellow/Black Shapes Print (Flounder / Fabius)Whitealso in 43229 Ariel's Treasure Chest (all Disney)
• Hair Bushy Swept Back (The Joker)Whitealso in 43213 The Little Mermaid Story Book (all Disney)
• Brick Curved 1 x 5 x 4 InvertedBright Light Blue · ×5also in 10298 Vespa 125, 21352 Magic of Disney
• Brick Special 1 x 1 with Clip HorizontalBright Light Bluealso in 75574 Toruk Makto & Tree of Souls, 75573 Floating Mountains: Site 26 & RDA Samson
• Hair Long and Textured, Hole on Top and SideDark Redalso in 43213 The Little Mermaid Story Book, 43229 Ariel's Treasure Chest (all Disney)
• Plate Special 4 x 4 with 3 x 3 Quarter Round CutoutSand Greenalso in 76218 Sanctum Sanctorum, 71814 Tournament Temple City
• Wedge Plate 12 x 3 LeftDark Azure · ×2also in 70673 Shuricopter, 41430 Summer Fun Water Park, 76832 XL-15 Spaceship
• Wedge Plate 12 x 3 RightDark Azure · ×2also in 70673 Shuricopter, 41430 Summer Fun Water Park, 76832 XL-15 Spaceship
• Brick Curved 6 x 1Bright Light Bluealso in 10298 Vespa 125, 11041 Creative Dinosaurs, 31385 Beautiful Dolphins
• Brick Arch 1 x 3 x 2 Curved TopBright Light Blue · ×3also in 40516 Everyone Is Awesome, 10298 Vespa 125, 76414 Expecto Patronum, EG00146
• Brick Wedged, Curved 2 x 2 with Stud NotchesSand Green · ×2also in 75571 Neytiri & Thanator vs. AMP Suit Quaritch, 80044 Monkie Kid's Team Hideout, 10316 The Lord of the Rings: Rivendell, 40596 Magic Maze
• and 1 more

7 existing moulds first came out in their colour in 2023, including in this set

• Hair Small TuftDark Turquoise · ×13
• Plate Special 2 x 2 with Only 2 studsSand Green · ×6
• Bar 1L / Stem with 3 Sprouts/ProngsBright Green · ×4
• Brick Curved 1 x 5 x 4 InvertedDark Tan · ×3
• Hair Bushy Swept Back (The Joker)White
• and 2 more

15 minifigure parts with their print are only in this set

• Lower Body Sea Witch with Tentacles (Ursula) with Dark Purple Spots PrintBlack
• Mask, Hair and Beard, Dark Bluish Grey Eyebrows, Warm Tan Face, Black Eyes…Tan
• Minifig Head Ariel, Dark Red Eyebrows, Dark Orange Lips, Open Mouth Smile/Wide…Medium Nougat
• Minifig Head Indira, Dark Brown Eyebrows, Dark Red Lips, Lopsided Smile/Open…Medium Brown
• Minifig Head Karina, Metallic Blue Eyeshadow, Metallic Pink Lips, Lopsided…Light Nougat
• and 10 more