How many pieces are in the Ariel's Crystal Cavern?

Ariel's Crystal Cavern contains 141 pieces.

When was the Ariel's Crystal Cavern released?

Ariel's Crystal Cavern was released in 2024.

🏛 Disney Princess

Set #43254

Ariel's Crystal Cavern

Ariel's Crystal Cavern is an enchanting underwater playset.

Before you buy

Who it's for: Ages 4+ · Beginner build Young children and Disney fans
Build: 141 pieces · about 1.5 hours Build time is an estimate.
Price: $29.99 list price · 21.3¢ per piece
Availability: Retired at LEGO

★★★☆☆ 3.8 community rating from 5 ratings

Fans appreciate the bright colors and the inclusion of both Ariel and Ursula, but some find the set to be small for the price. The building experience is generally considered easy and enjoyable for younger builders.

$29.99

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

Ariel's Crystal Cavern is an enchanting underwater playset. This set brings the magic of the live-action Little Mermaid movie to life with vibrant colors and playful design, perfect for recreating favorite scenes or imagining new adventures under the sea.

This set is perfect for young Disney fans and beginner LEGO builders. With a manageable piece count and easy-to-follow instructions, it offers a rewarding building experience and hours of imaginative play.

Skip this if you're an advanced builder looking for a challenging project. For older builders wanting a more intricate underwater build, consider sets from the LEGO Ideas or Creator Expert lines.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Ariel's Crystal Cavern - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this set compare to other LEGO Disney Princess sets in terms of play features? What are some creative ways to expand this set and build a larger underwater world? Is this set a good value for the price, considering the piece count and minifigures included? How durable is the completed model for play, and what are some tips for displaying it?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

141

Pieces

⏱

1.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Easy to follow instructions
Uses bright and vibrant colors
Incorporates play features like a rotating platform
Includes unique coral and seaweed elements

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

↓ Price declining

C+

Investment Grade

⏳ Retired

Ariel's Crystal Cavern presents a mixed investment outlook. As a licensed Disney Princess set, it benefits from the enduring popularity of the Little Mermaid franchise, potentially driving demand among collectors and younger fans. However, the relatively low piece count and mass-market availability may limit significant appreciation. Its investment potential hinges on the long-term collectibility of the live-action movie tie-ins and the set's condition if kept sealed. While not a high-risk investment, substantial returns are unlikely.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Ariel's Treasure Chest

Disney Princess • 37 pcs

$9.99

Ariel's Music Stage

Disney Princess • 114 pcs

$19.99

Ariel's Royal Clamshell

Disney Princess • 180 pcs

$44.99

Ariel's Crystal Cavern is a smaller, more accessible set compared to larger Disney castle models. It offers a quicker build and lower price point for younger fans. While lacking the complexity of sets like the LEGO Disney Castle (43222-1), it provides a fun, self-contained play experience centered around the Little Mermaid.

2 Minifigures Included

Ariel - Mermaid Form, Live Action Movie Minidoll, Red Hair

4 parts

B-

Ursula - Dark Purple, Minidoll

4 parts

This set features two minidolls: Ariel in her mermaid form from the live-action movie, and Ursula. The Ariel minidoll is unique to this wave of sets.

📦 Parts Inventory

Official piece count: 141
Parts cataloged in this inventory: 81 unique parts, 144 pieces
Minifigures: 2

LEGO counts 141 pieces. This inventory comes from a separate parts catalog and lists 152, including the 8 parts inside the minifigures; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Bar Holder with Clip

Part #: 11090 1× Bright Green

Brick Curved 2 x ...

Part #: 15068 1× Light Aqua

Plate Special 1 x...

Part #: 15573 1× Dark Turquoise

Plate Special 8 x...

Part #: 15624 1× Medium Azure

Animal, Fish with...

Part #: 15679pr0002 1× Yellow

Tile Round 1 x 2 ...

Part #: 1748 1× Black

Brick Curved Inve...

Part #: 1750 2× Dark Turquoise

Animal Body Part,...

Part #: 18970 1× Coral

Animal Body Part,...

Part #: 18970 1× White

Fence Ornamented ...

Part #: 19121 1× White

Book Cover [Plain]

Part #: 24093 1× Reddish Brown

Tile Special 1 x ...

Part #: 2412b 4× Lime

Book Binding with...

Part #: 24324 1× Reddish Brown

Tile 2 x 3

Part #: 26603 1× Reddish Brown

Brick Sloped 45° ...

Part #: 28192 2× Reddish Brown

Brick Sloped 45° ...

Part #: 28192 1× White

Container Box 2 x...

Part #: 2821 1× Medium Nougat

Slide Curved Left...

Part #: 28387 1× Yellow

Curled Decorative...

Part #: 28870 2× Black

Plate Special 1 x...

Part #: 2926 2× Black

Brick 1 x 2

Part #: 3004 2× Lavender

Brick 1 x 2

Part #: 3004 1× Yellow

Brick 1 x 6

Part #: 3009 1× Lavender

Plant, Sea Grass

Part #: 30093 3× Bright Green

Brick 1 x 4

Part #: 3010 1× Dark Turquoise

Brick 1 x 4

Part #: 3010 1× Yellow

Rock 1 x 1 Jewel ...

Part #: 30153 1× Trans-Dark Pink

Plate 2 x 4

Part #: 3020 1× Medium Azure

Plate 2 x 4

Part #: 3020 1× Light Aqua

Plate 2 x 4

Part #: 3020 1× Dark Purple

Plate 2 x 4

Part #: 3020 2× Reddish Brown

Plate 2 x 2

Part #: 3022 1× Yellow

Plate 1 x 2

Part #: 3023 2× Trans-Light Blue

Plate 1 x 2

Part #: 3023 2× Light Aqua

Plate 4 x 4

Part #: 3031 1× Medium Azure

Plate 2 x 8

Part #: 3034 1× Dark Turquoise

Rock 1 x 1 Crysta...

Part #: 30385 1× Opal Trans-Purple

Brick Sloped 45° ...

Part #: 3040b 2× Trans-Light Blue

Brick Round 1 x 1...

Part #: 3062b 2× Opal Trans-Clear

Tile 1 x 2 with P...

Part #: 3069bpr9972 1× Tan

Plant, Plate 1 x ...

Part #: 32607 2× Coral

Brick Sloped Inve...

Part #: 32802 1× Medium Nougat

Wheel 8 x 6 with ...

Part #: 34337 4× Coral

Flower 4 x 4 Roun...

Part #: 35473 1× Yellowish Green

Fence Lattice 1 x...

Part #: 3633 1× Pearl Gold

Turntable 2 x 2 P...

Part #: 3680c02 1× White

Plate 1 x 4

Part #: 3710 1× Dark Turquoise

Plate 1 x 4

Part #: 3710 1× Medium Azure

Plate 1 x 4

Part #: 3710 2× Reddish Brown

Plant, Stem with ...

Part #: 37695 1× Lavender

Equipment Magnify...

Part #: 38648pat0001 1× Black

Brick Round 2 x 2...

Part #: 3941 4× Trans-Dark Pink

Brick Round 2 x 2...

Part #: 3941 5× Trans-Bright Green

Antenna 1 x 4 wit...

Part #: 3957b 1× Reddish Brown

Panel 1 x 6 x 7 w...

Part #: 40066 1× Lavender

Plate Special 2 x...

Part #: 4190 2× Dark Turquoise

Plate 8 x 8 with ...

Part #: 41948 1× Medium Lavender

Brick Sloped 33° ...

Part #: 4286 2× Lavender

Equipment Pot / C...

Part #: 4341 1× Black

Flag 4 x 1 Wavy [...

Part #: 4495b 1× Yellow

Brick 1 x 2 x 5 w...

Part #: 46212 2× Trans-Dark Pink

Treasure Chest Bo...

Part #: 4738c 1× Medium Lavender

Treasure Chest Li...

Part #: 4739a 1× Medium Lavender

Dish 2 x 2 Invert...

Part #: 4740 1× Trans-Dark Pink

Rock Panel 2 x 4 x 6

Part #: 47847 2× Trans-Dark Pink

Plate Special 1 x...

Part #: 48336 1× White

Brick Wedged, Slo...

Part #: 4856b 1× Medium Nougat

Panel 1 x 2 x 1 [...

Part #: 4865b 2× Trans-Light Blue

Animal, Sea Life ...

Part #: 49595a 1× Yellow

Animal, Sea Life ...

Part #: 49595b 1× Yellow

Animal, Sea Life ...

Part #: 49595c 2× Yellow

Animal, Sea Life ...

Part #: 49595d 2× Yellow

Animal, Sea Life ...

Part #: 49595e 2× Yellow

Animal, Sea Life ...

Part #: 49595f 2× Yellow

Animal, Sea Life ...

Part #: 49595g 2× Yellow

Cone 1 x 1 [Top G...

Part #: 59900 1× Glitter Trans-Purple

Plate Round Corne...

Part #: 6003 2× Medium Azure

Plate Round Corne...

Part #: 6003 1× Tan

Brick Arch 1 x 4 x 2

Part #: 6182 2× Medium Nougat

Glass for Frame 1...

Part #: 65066pr9998 1× Medium Azure

Brick Round, Curv...

Part #: 67810 2× Dark Turquoise

Cloud / Dust with...

Part #: 68547 1× Opal Trans-Dark Pink

Brick Curved 2 x ...

Part #: 78666 2× Dark Turquoise

Equipment Cutlery...

Part #: 79741 1× Flat Silver

Brick Special 1 x...

Part #: 86876 1× Dark Turquoise

Brick Special 1 x...

Part #: 86876 2× Black

Brick Special 1 x...

Part #: 87087 2× Dark Turquoise

Plate Special 2 x...

Part #: 87580 1× Yellow

Plate Special 2 x...

Part #: 87580 3× Dark Purple

Plate Special 2 x...

Part #: 87580 3× Trans-Light Blue

Wedge Plate 3 x 4...

Part #: 90194 1× Reddish Brown

Brick Curved 4 x ...

Part #: 93273 1× Medium Azure

Equipment Bottle ...

Part #: 93549pat0001 1× Trans-Clear

Tile Round 1 x 1

Part #: 98138 1× Trans-Dark Pink

Tile Round 1 x 1 ...

Part #: 98138pr0107 2× Black

Bracket 1 x 2 - 2...

Part #: 99207 1× White

The set contains a good selection of transparent colored round bricks and coral elements, useful for creating underwater scenes and MOCs. The lime grille tiles add texture and detail.