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Compare 1 retailers.

Retailer prices for 30720 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 € 8.80 shipping 26 Sep - € 12.79 € 8.80 shipping

If you buy through our links, we may earn a commission. This does not affect prices or ranking.

Full price history at a glance.

Lowest yet
€3.83
29 Aug 2026 · idee+spiel
Peak price
€3.99
25 Sep 2026 · idee+spiel
Average
€3.84
reference price
RRP
-
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 – 26 Sep 2026. RRP via LEGO.com.

Last 12 price points for LEGO 30720 Ariel and Flounder’s Birthday Music Fun
Date Price Retailer Stock
€3.99 idee+spiel In stock
€3.99 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 idee+spiel In stock
€3.83 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 · €3.99 expected · €4.07
Price expectation Ariel and Flounder’s Birthday Music Fun
Date Price Type
2026-08-29 €3.83 History
2026-08-30 €3.83 History
2026-09-04 €3.83 History
2026-09-05 €3.83 History
2026-09-07 €3.83 History
2026-09-08 €3.83 History
2026-09-09 €3.83 History
2026-09-10 €3.83 History
2026-09-11 €3.83 History
2026-09-12 €3.83 History
2026-09-13 €3.83 History
2026-09-14 €3.83 History
2026-09-15 €3.83 History
2026-09-16 €3.83 History
2026-09-17 €3.83 History
2026-09-18 €3.83 History
2026-09-19 €3.83 History
2026-09-20 €3.83 History
2026-09-21 €3.83 History
2026-09-22 €3.83 History
2026-09-23 €3.83 History
2026-09-24 €3.83 History
2026-09-25 €3.99 History
2026-09-26 €3.99 History
2026-10-26 €4.02 Forecast
2026-11-25 €4.04 Forecast
2026-12-25 €4.07 Forecast
- RRP
€3.83 Lowest · 90 days
€3.99 Highest · 90 days
Stable Trend

About this set

For LEGO Ariel and Flounder’s Birthday Music Fun (30720), we track 1 retailer in Germany, with 1 currently in stock. This set from the Disney theme has 39 pieces, including 1 minifigure and was released in 2026. The current lowest price is €3.99 at idee+spiel. That works out to €0.10 per piece. The lowest price ever was €3.83 on 29 Aug 2026 at idee+spiel. The set is recommended for builders aged 5 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
18 × 17 × 3 cm
Weight
30 g
Pieces
39
Age
5+
Explore more

Dive deeper into this set.

All about this set

LEGO Ariel and Flounder’s Birthday Music Fun (30720) is, a set from the Disney theme, with 39 pieces, released in 2026. Compare current prices and stock across Dutch retailers via BricksDeal.

Reference

Set details

Set number 30720
Theme Disney
Subtheme Disney Princess
Year 2026
Pieces 39
Minifigures 1
Price per piece €0.10
Age 5+
Dimensions 18 × 17 × 3 cm
Weight 30 g
Parts

Parts inventory

39
pieces
19 unique parts across 11 colors
Distinctive parts
  • Animal, Fish with Large Eyes, Medium Blue Dorsal and Tail Fin and Blue Stripes on Top Print (Flounder / Fabius) Part ID 15679pr0002
  • Brick Round, Curved 2 x 2 x 1, Corner Part ID 5846
  • Musical Instrument Saxophone Part ID 13808
Building instructions Ariel and Flounder’s Birthday Music Fun instruction manual

Minifigures in Ariel and Flounder’s Birthday Music Fun.

1 minifigure according to this set's Rebrickable inventory.

All minifigures
Ariel (Warm Tan) fig-016503
Ariel (Warm Tan)
fig-016503
More guides
01 / 02
Frequently asked questions

All about the Ariel and Flounder’s Birthday Music Fun.

What is the lowest price for Ariel and Flounder’s Birthday Music Fun?
The lowest current price we show is €3.99.

Has LEGO 30720 ever been cheaper?
The lowest historical price was €3.83 on 29 Aug 2026 at idee+spiel.

How many pieces does LEGO 30720 have?
This set has 39 pieces.

Which minifigures are included in LEGO 30720?
This set includes 1 minifigure: Ariel.

What year is this set from?
LEGO 30720 was released in 2026.

What is the RRP for LEGO 30720?
The recommended retail price is not known yet.

What is the recommended age for LEGO 30720?
LEGO recommends ages 5+ for this set.

Is LEGO 30720 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.