Ariel & Flounder's Birthday Music Fun
30720-1 Disney 2026 39 parts 8.3% repair risk Beginner
LEGO Disney Princess 30720-1 Ariel & Flounder's Birthday Music Fun brings Ariel forward as a Disney model with its own character. The set leans on film recognition, expression and small accessories that make the subject feel livelier. With Flounder's Birthday Music Fun, the scene gains extra context. It works as a compact fan scene for play or display.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![Slope Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6258075.jpg) Slope Curved 2 x 1 No Studs [1/2 Bow] 11477 | 2× | €0,06 |
 Musical Instrument Saxophone 13808 | 1× | €0,52 |
 Animal, Fish with Large Eyes, Medium Blue Dorsal and Tail Fin and Blue Stripes on Top Print (Flounder / Fabius) 15679pr0002 | 1× | Check price → View |
 Plate Round Corners 2 x 6 Double 18980 | 1× | €0,18 |
 Plant, Fern 2 x 3 x 2 2682 | 2× | €0,19 |
 Plate 2 x 4 3020 | 1× | €0,15 |
 Brick Round 1 x 1 Open Stud 3062b | 2× | Check price → View |
 Tile 1 x 2 with Keyboard/Piano print 3069bpr0278 | 2× | €0,23 |
 Plate Special 1 x 2 Rounded with 2 Open Studs 35480 | 2× | €0,07 |
 Plate Special 1 x 2 Rounded with 2 Open Studs 35480 | 2× | €0,07 |
 Plate 1 x 6 3666 | 1× | €0,17 |
 Plate 1 x 4 3710 | 2× | €0,12 |
Repairability
Can you fix Ariel & Flounder's Birthday Music Fun if a piece goes missing?
2 of the 24 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.
Theme average
9.4%
All sets
6.7%
Hardest to replace
More Disney sets
Browse more LEGO Disney sets related to Ariel & Flounder's Birthday Music Fun, including models from 2026 and other sets in the same theme.
Build DNA
Parts inventory insights for Ariel & Flounder's Birthday Music Fun
39 pieces puts this build -91% against the average Disney set and -94% against the average 2026 release.
Vs average Disney set
Average Disney set: 424 pieces across 242 other sets.
Vs average 2026 set
Average 2026 set: 687 pieces across 496 other sets.
Color profile
Dominant color
Coral
Unique parts
0.8 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Cone 1 x 1 [Top Groove]
![Cone 1 x 1 [Top Groove]](https://cdn.rebrickable.com/media/parts/ldraw/0/59900.png)
5xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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