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Compare 1 retailers.

Retailer prices for 43254 are sorted by the lowest delivered price when shipping is known.

Retailer prices

Prices tracked across 10 retailers, updated twice a day.

1 II idee+spiel Best deal ideeundspiel.com In stock 2-3 days € 5.90 shipping 12 Sep −16% € 31.20 € 5.90 shipping

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Full price history at a glance.

Lowest yet
€24.59
30 Aug 2026 · idee+spiel
Peak price
€25.30
29 Aug 2026 · idee+spiel
Average
€25.23
16% below RRP
RRP
€29.99
reference price

Daily lowest price tracked across 1 retailer in Germany. The dotted line marks LEGO's recommended retail price.

Source: daily measurement at 1 retailer in Germany, 29 Aug 2026 – 12 Sep 2026. RRP via LEGO.com.

Last 10 price points for LEGO 43254 Ariel's Crystal Cavern
Date Price Retailer Stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€25.30 idee+spiel In stock
€24.59 idee+spiel In stock
€25.30 idee+spiel In stock
Price expectation

Price will likely hold steady.

28%
Low · ±6%

Low likelihood of further drops. Current price is near the all-time low.

Estimated price · next 3 months

now · €25.30 expected · €25.81
Price expectation Ariel's Crystal Cavern
Date Price Type
2026-08-29 €25.30 History
2026-08-30 €24.59 History
2026-09-04 €25.30 History
2026-09-05 €25.30 History
2026-09-07 €25.30 History
2026-09-08 €25.30 History
2026-09-09 €25.30 History
2026-09-10 €25.30 History
2026-09-11 €25.30 History
2026-09-12 €25.30 History
2026-10-12 €25.47 Forecast
2026-11-11 €25.64 Forecast
2026-12-11 €25.81 Forecast
€29.99 RRP
€24.59 Lowest · 90 days
€25.30 Highest · 90 days
Stable Trend

About this set

For LEGO Ariel's Crystal Cavern (43254), we track 1 retailer in Germany, with 1 currently in stock. This set from the Disney theme has 141 pieces, including 2 minifigures and was released in 2024. The current lowest price is €25.30 at idee+spiel, 16% below the RRP of €29.99. That works out to €0.18 per piece and a saving of €4.69 versus the RRP. The lowest price ever was €24.59 on 30 Aug 2026 at idee+spiel. The set is recommended for builders aged 4 and up. The current price is above that low, so waiting for a drop may pay off. Use price history and stock data to judge whether this is a good time to buy.

Dimensions
19.1 × 26.2 × 7.2 cm
Pieces
141
Age
4+
Explore more

Dive deeper into this set.

All about this set

Exploration and play awaits kids aged 4+ as they learn to build with this LEGO® ǀ Disney Princess Ariel’s Crystal Cavern (43254) building toy. This buildable mermaid playset gift helps boost kids’ problem-solving skills with creative play. Inside is a cavern with a spinning platform and slide, a whale vehicle, a shipwreck with a treasure chest and a cauldron. It also includes Ursula and Ariel LEGO ǀ Disney mini-doll figures and a Flounder LEGO ǀ Disney fish figure. The building kit includes a Starter Brick element to get building underway quickly, and instructions are provided in a colorful picture-story guide for kids who are just starting to learn how to read. This 4+ LEGO building set for kids is easy to take on playdates and is a great way for adults to share in the building fun with youngsters. The construction kit also works well with other compatible LEGO 4+ building sets and LEGO ǀ Disney buildable playsets (sold separately) in the range.

My 6-year-old daughters absolutely love this LEGO set!, and we're having so much fun building them together. The extra pieces that come with it are perfect, and they provide endless possibilities for building and creating. Watching my daughters imagination come to life as she plays with this set is truly priceless. i recommended this LEGO for beginners, because it easy to build, it just need some patience. Overall, it's a fantastic toy that is definitely worth the investment.
huyend7 · LEGO.com
Media

View the set from every angle.

10 images
LEGO Ariel's Crystal Cavern (43254) Front view LEGO Ariel's Crystal Cavern (43254) - image 1 Image 2 LEGO Ariel's Crystal Cavern (43254) - image 2 Image 3 LEGO Ariel's Crystal Cavern (43254) - image 3 Image 4 LEGO Ariel's Crystal Cavern (43254) - image 4 Image 5 LEGO Ariel's Crystal Cavern (43254) - image 5 Image 6
Reference

Set details

Set number 43254
Theme Disney
Subtheme Ariel
Year 2024
Pieces 141
Minifigures 2
Price per piece €0.18
Age 4+
Dimensions 19.1 × 26.2 × 7.2 cm
RRP €29.99
Parts

Parts inventory

141
pieces
81 unique parts across 26 colors
Distinctive parts
  • Glass for Frame 1 x 6 x 7 with Bow with Medium Nougat Mirror, Pearl Chains, Dark Pink Crystals print Part ID 65066pr9998
  • Tile 1 x 2 with Parchment, Flask, Notes print Part ID 3069bpr9972
  • Turntable 2 x 2 Plate, Light Bluish Gray Top [Complete Assembly] Part ID 3680c02
Building instructions Ariel's Crystal Cavern instruction manual

Minifigures in Ariel's Crystal Cavern.

2 minifigures according to this set's Rebrickable inventory.

All minifigures
Ariel (Mermaid Form, Live Action Movie Minidoll, Red Hair) fig-015045
Ariel (Mermaid Form, Live Action Movie Minidoll, Red Hair)
fig-015045
Ursula (Dark Purple, Minidoll) fig-015053
Ursula (Dark Purple, Minidoll)
fig-015053
More guides
01 / 02
Frequently asked questions

All about the Ariel's Crystal Cavern.

What is the lowest price for Ariel's Crystal Cavern?
The lowest current price we show is €25.30.

Has LEGO 43254 ever been cheaper?
The lowest historical price was €24.59 on 30 Aug 2026 at idee+spiel.

How many pieces does LEGO 43254 have?
This set has 141 pieces.

Which minifigures are included in LEGO 43254?
This set includes 2 minifigures, including Ariel, Ursula.

What year is this set from?
LEGO 43254 was released in 2024.

What is the RRP for LEGO 43254?
LEGO's recommended retail price is €29.99.

What is the recommended age for LEGO 43254?
LEGO recommends ages 4+ for this set.

Is LEGO 43254 still available?
Yes, this set is currently available at 1 retailer.

Which retailers do you compare?
We currently compare 1 retailer prices for this set.

How often do you update prices?
We check prices multiple times per day at every tracked retailer and publish the most recent value on this page.