Ariel's Undersea Castle

Notable parts

• 1 printed part is only in this set: Duplo Dish with Jewelry Print (White).
• 12 parts appear in only a few other sets: Duplo Brick 1 x 2 x 2 with Crab Sebastian Print (Trans-Light Blue) — also in 10516 Ariel's Magical Boat Ride (all Duplo); Duplo Brick 1 x 2 x 2 with Silver Mirror and Gold Frame Print (White) — also in 10505 Play House (all Duplo); Duplo Brick Arch 2 x 8 x 2 with Support (Dark Pink) — also in 6153 Cinderella's Carriage (all Duplo); Duplo Cupcake / Muffin Cup with 2 x 2 Studs (Dark Pink) — also in 6154 Cinderella's Castle (all Duplo); Duplo Figure with Hair Swept Right Red, Green Mermaid Legs (Ariel) (Light Nougat) — also in 10596 Disney Princess Collection (all Duplo); Duplo Animal Fish with Large Eyes and Stripes on Top Print (Flounder / Fabius) (Yellow) — also in 10922 Ariel's Undersea Castle, 10420 Ariel and Flounder's Café Stand (all Duplo); Duplo Brick 2 x 2 (Magenta) — also in 6154 Cinderella's Castle, 10516 Ariel's Magical Boat Ride (all Duplo); Duplo Brick 2 x 2 with 3 Shells and Silver Bubbles Print (Bright Pink) — also in 10618 Creative Building Box, 10596 Disney Princess Collection (all Duplo); Duplo Brick 2 x 4 x 2 Arch (Dark Pink) — also in 10516 Ariel's Magical Boat Ride, 10561 Toddler Starter Building Set, 10595 Sofia's Royal Castle (all Duplo); Duplo Brick Round 4 x 4 Dome Top with 2 x 2 Studs - Marbled Yellowish Green… (Medium Azure) — also in 10574 Creative Ice Cream, 10817 Creative Chest, 10841 Fun Family Fair, 10862 My First Celebration (all Duplo); Duplo Cake Swirl Decoration with Top Stud (Medium Azure) — also in 10597 Birthday Parade, 10862 My First Celebration, 10887 Creative Fun, 10956 Amusement Park (all Duplo); Duplo Treasure Chest 2 x 4 x 3 (Pearl Gold) — also in 6154 Cinderella's Castle, 2000415 Identity and Landscape Kit, 2000430 Identity and Landscape Kit, 4828 Princess Royal Stables.
• 1 mould first came out in 2013, including in this set: Duplo Animal Fish with Large Eyes and Stripes on Top Print (Flounder / Fabius).
• 4 existing moulds first came out in their colour in 2013, including in this set: Duplo Building Roof Spire 3 x 3 x 3 (Medium Azure) ×2; Duplo Brick 2 x 4 x 2 Arch (Lime); Duplo Cake Swirl Decoration with Top Stud (Medium Azure); Duplo Playground Slide Straight with Two Top Studs (Medium Azure).

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