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30720 LEGO Disney Princess Ariel and Flounder’s Birthday Music Fun thumbnail image

30720 LEGO Disney Princess Ariel and Flounder’s Birthday Music Fun
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30720 LEGO Disney Princess Ariel and Flounder’s Birthday Music Fun
  • Ariel and Flounder’s Birthday Music Fun thumbnail
  • Ariel and Flounder’s Birthday Music Fun thumbnail
  • Ariel and Flounder’s Birthday Music Fun thumbnail

LEGO 30720 Ariel and Flounder’s Birthday Music Fun is a Disney set currently available at retail for $4.99 and is projected to retire at the end of 2027. Current new-sealed secondary market prices range from $7 to $8.

Forecast Model

This represents the expected annual growth (CAGR) based solely on a forecast model.
LEGO 30720 Ariel and Flounder’s Birthday Music Fun is a Disney Disney Princess set released in 2026, containing 39 pieces and 1 mini-doll figure. Inspired by The Little Mermaid, it includes Ariel and Flounder characters. The build features a sea-sponge pipe organ and a saxophone.

Once retired, the expected annual growth will be close to 1% after the second year, valuing the set between $5 and $5 shortly after it is retired.
All regions

For Sale (New/Sealed)

This chart shows the sales listing trends of 30720 Ariel and Flounder’s Birthday Music Fun.
 (US) Official LEGO Ariel and Flounders Birthday Music Fun
BrickEconomy Choice
$4.99
(US) Disney Ariel And Flounders Birthday Music Fun $5.00
+0.2%
(US) #001 - Ariel & Flounder's Birthday Music Fun Disney Princess Lego Disney $5.00
+0.2%
(US) Disney Princess 30720 Ariel & Flounder's Birthday Music Fun 39 Pieces $5.90
+18.2%
(US) Disney Ariel & Flounders Birthday Music Fun 30720 SEALED Polybag $6.00
+20.2%
(US) Ariel & Flounder's Birthday Music Fun $6.00
+20.2%
(NL) 30720 Ariel & Flounders Birthday Music Fun - [ New. ] $6.09
+22.0%
(FR) Disney Polybag - Ariels Birthday Party with Polochon 30720LEGO3072 $6.36
+27.5%
(US) LEGO Disney Princess Ariel & Flounder's Birthday Music Fun 30720 $6.39
+28.1%
(US) Disney Ariel & Flounder's Birthday Music Fun 30720 Brand New Sealed 2026 $6.90
+38.3%
(US) LEGO Disney Princess Ariel & Flounder's Birthday Music Fun 30720 $6.99
+40.1%
(US) LEGO Disney Princess Ariel And Flounder's Birthday Music Fun Building Set 30720 $6.99
+40.1%
(US) 30720 Disney Princess Ariel & Flounder's Birthday Music Fun SEALED $7.54
+51.1%
(CA) LEGO Disney Princess Ariel & Flounder's Birthday Music Fun Building Set 30720 $7.75
+55.3%
Show 15 more listings

Mini-doll figures

Ariel and Flounder’s Birthday Music Fun contains 1 mini-doll figure. The mini-doll figure is also included in 1 other set.
Values for loose mini-doll figures in like new condition sold individually, so together they can total more than the set is worth. Learn why
dp227
Ariel
Ariel mermaid figure with medium tan skin - dp227
2 sets
Value $5.89

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Pieces / Mini-doll figures 817 / 4
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Pieces / Mini-doll figures 698 / 5
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Annual growth 2.1%

43216 Princess Enchanted Journey

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Pieces / Mini-doll figures 320 / 3
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41162 Ariel, Aurora, and Tiana's Royal Celebration

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Year 2019
Pieces / Mini-doll figures 282 / 3
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43195 Belle and Rapunzel's Royal Stables

Theme / Subtheme Disney / Disney Princess
Year 2021
Pieces / Mini-doll figures 239 / 2
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Retail $49.99
Value $61.31
Growth  +22.6%
Annual growth 5.4%

43180 Belle's Castle Winter Celebration

Theme / Subtheme Disney / Disney Princess
Year 2020
Pieces / Mini-doll figures 238 / 6
Availability Retired
43180 LEGO Disney Princess Belle's Castle Winter Celebration
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Growth  +7.0%
Annual growth 1.5%

43208 Jasmine and Mulan's Adventure

Theme / Subtheme Disney / Disney Princess
Year 2022
Pieces / Mini-doll figures 176 / 2
Availability Retired
43208 LEGO Disney Princess Jasmine and Mulan's Adventure
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Value $105.04
Growth  +133.5%
Annual growth 22.5%

43219 Disney Princess Creative Castles

Theme / Subtheme Disney / Disney Princess
Year 2023
Pieces / Mini-doll figures 140 / 4
Availability Retired
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Retail $34.99
Value $36.56
Growth  +4.5%
Annual growth 1.6%

40307 Castle Interior Kit

Theme / Subtheme Disney / Disney Princess
Year 2018
Pieces 115
Availability Retired
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Retail $9.99
Value $12.09
Growth  +21.0%
Annual growth 2.8%

40388 Mini-Doll Dress-Up Kit

Theme / Subtheme Disney / Disney Princess
Year 2018
Pieces 80
Availability Retired
40388 LEGO Disney Princess Mini-Doll Dress-Up Kit
Retail $9.99
Value $16.77
Growth  +67.9%
Annual growth 4.1%

My Collection

Ariel and Flounder’s Birthday Music Fun Reviews

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About Disney

The LEGO Disney Princess theme encompasses LEGO sets based on various Disney animated films featuring princess characters. These sets highlight characters, scenes, and locations related to movies like Cinderella, Beauty and the Beast, Aladdin, and others.

Disney Princess was introduced in 2018 and currently consists of 12 sets. As of today, 43208 Jasmine and Mulan's Adventure is the most valuable Disney Princess set with an estimated new/factory sealed value of $105.
Read more
Treat any Disney’s The Little Mermaid fan to loads of musical fun, with Ariel and Flounder LEGO® | Disney Princess characters, a sea-sponge pipe organ and a saxophone.
Description provided by LEGO©