Ariel's Undersea Castle (10515-1) is a Disney Princess LEGO set released in 2013 with 39 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Disney Princess sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 31 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2013 (13 years ago — may be retired)
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Catalog scale
39 parts listed · 31 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Shipping weight (est.)
~167 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
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Market value
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Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
31 parts · updating…
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Duplo Animal Fish with Large Eyes and Stripes on Top Print (Flounder / Fabius)11374pr0001 · ×1 · Yellow -
Duplo Brick 1 x 2 x 24066 · ×2 · Bright Green -
Duplo Brick 1 x 2 x 24066 · ×2 · Trans-Light Blue -
Duplo Brick 1 x 2 x 2 with Crab Sebastian Print4066pr0265 · ×1 · Trans-Light Blue -
Duplo Brick 1 x 2 x 2 with Silver Mirror and Gold Frame Print4066pr0001 · ×1 · White -
Duplo Brick 2 x 23437 · ×1 · Yellow -
Duplo Brick 2 x 23437 · ×2 · Trans-Light Blue -
Duplo Brick 2 x 23437 · ×1 · Dark Pink -
Duplo Brick 2 x 23437 · ×1 · Magenta -
Duplo Brick 2 x 23437 · ×1 · Bright Green -
Duplo Brick 2 x 23437 · ×1 · Bright Pink -
Duplo Brick 2 x 2 with 3 Shells and Silver Bubbles Print3437pr0066 · ×1 · Bright Pink -
Duplo Brick 2 x 3 x 2 with Curve2301 · ×2 · Blue -
Duplo Brick 2 x 4 x 2 Arch11198 · ×1 · Dark Pink -
Duplo Brick 2 x 4 x 2 Arch11198 · ×1 · Lime -
Duplo Brick Arch 2 x 8 x 2 with Support62664 · ×1 · Dark Pink -
Duplo Brick Round 4 x 4 Dome Top with 2 x 2 Studs - Marbled Yellowish Green 'Frosting'98220pat0003 · ×1 · Medium Azure -
Duplo Building Roof Spire 3 x 3 x 316375 · ×2 · Medium Azure -
Duplo Cake Swirl Decoration with Top Stud18918 · ×1 · Medium Azure -
Duplo Cupcake / Muffin Cup with 2 x 2 Studs98215 · ×1 · Dark Pink -
Duplo Dish with Jewelry Print31333pr0005 · ×1 · White -
Duplo Figure with Hair Swept Right Red, Green Mermaid Legs (Ariel)25139c01pr0001 · ×1 · Light Nougat -
Duplo Plant Vine with Leaves and Two End Anti-Studs89158 · ×1 · Green -
Duplo Plant, Flower with 1 Top Stud6510 · ×1 · Red -
Duplo Plant, Flower with 1 Top Stud6510 · ×1 · Yellow -
Duplo Plate 2 x 440666 · ×4 · Lime -
Duplo Plate 2 x 698233 · ×1 · Bright Green -
Duplo Plate 4 x 84672 · ×1 · Blue -
Duplo Playground Slide Straight with Two Top Studs93150 · ×1 · Medium Azure -
Duplo Swing Seat6514 · ×1 · Red -
Duplo Treasure Chest 2 x 4 x 348036 · ×1 · Pearl Gold