LEGO Costume Party (42661-1)
The Costume Party (42661-1) is a LEGO Friends set that was released in May 2025 and is due to retire on December 2026.
This LEGO set has 261 pieces and had a RRP of $39.99 (£34.99 / 39.99€) which equates to a price per piece of 0.15c (0.13p / 0.15€). It has gone down in value by -31.3% and now has a value of $27.49 based on average sale price over the last 6 months.
Price over time
View price history table
| Month | Avg Price | Sales |
|---|---|---|
| Jun 26 | $37.68 | 1 |
Minifigures
This set contains 4 minifigures with a combined value of $18.75. All of the minifigures in this set are exclusive, meaning they don't appear in any other LEGO sets.
Monthly sales
We have recorded 1 sales of the Costume Party set since Jun 26. The chart below shows the number of recorded sales per month, which can help indicate the popularity and availability of this set on the secondary market.
Value breakdown
The current value of Costume Party is $27.49
The 4 minifigures in this set make up 68% of the total set value.
The Friends Autumn - Bumblebee Costume minifigure is the most valuable minifigure in this set who contributes 23% of the set value .
My collection
Set details
Name: Costume Party
Theme: Friends
Set number: 42661-1
Status: Active
Pieces: 261
Minifigures: 4
May 7, 2025
May 7, 2025
May 7, 2025
May 7, 2025
Dec 31, 2026 (est.)
Dec 31, 2026 (est.)
Dec 31, 2026 (est.)
Dec 31, 2026 (est.)
Shelf life: 1 year, 3 months
$39.99
£34.99
39.99€
0.153c
0.134p
0.153€
Set value
Confidence: Low
Current value: $27.49
Increase from RRP: -31.3%
ROI Prediction
We estimate that 2 years after retirement the value of this set will have increased by 1.42%.
However it could be as low as -14.81% or as high as 18.44%
Minifigures
Set colors
The Costume Party has 261 pieces and is ranked 4342 on the list of biggest LEGO sets ever made.
The most common colour in this set is Medium Azure
The most common part in this set is Tile, Round 1 x 1 with Bar and Pin Holder
Stats
Frequently Asked Questions
How much is the LEGO Costume Party (42661-1) worth?
The LEGO Costume Party is currently worth $27.49 based on the average sale price over the last 6 months. The original retail price was $39.99.
How many pieces are in the LEGO Costume Party?
The LEGO Costume Party (42661-1) contains 261 pieces, making it the 4342nd biggest LEGO set ever made.
Is the LEGO Costume Party still available?
Yes, the LEGO Costume Party is currently still active and available for purchase. The retail price is $39.99.
How many minifigures are in the LEGO Costume Party?
The LEGO Costume Party contains 4 minifigures, 4 of which are exclusive to this set. The minifigures include: Friends Autumn - Bumblebee Costume, Friends Paisley - Fairy Costume, Friends Olly - Merman Costume, Friends Leo - Bunny / Rabbit Costume.
When was the LEGO Costume Party released?
The LEGO Costume Party (42661-1) was released in May 2025 as part of the Friends theme.
Price data last updated: Jun 26
