Forecast Model

This represents the expected annual growth (CAGR) based on a forecast model only.
LEGO 21323 Grand Piano is a 3,662 piece Ideas set released in 2020. It is a brick-built version of a concert grand piano with working keys and can produce real music via a connected app. The set is based on SleepyCow's Playable Lego Piano project at LEGO IDEAS which reached the 10,000 supporter milestone in only 2 months.

The current retail price is $399.99, however, the average sales listings on the secondary markets is closer to $417. The set is estimated to retire sometime within early to mid 2023. Once retired, the expected annual growth will be close to 6% after the second year, which will value the set between $478 and $509 shortly after it is retired.
Retirement risk Retirement risk. Grand Piano has a current lifespan of 31 months, based on the average lifespan of other sets in this theme, which is 18 months, this set is at risk for retiring in the coming months.

For Sale (New/Sealed)

This chart shows the sales listing trends of 21323 Grand Piano.
(US) Ideas: Grand Piano (21323)
BrickEconomy Choice
(US) Ideas: Grand Piano (21323). BRAND NEW-SEALED IN BOX!
(US) Grand Piano LEGO Ideas (21323) New In Box
(US) BrickLink store Toni Brick Store LLC
(AU) Ideas Grand Piano Model Building Set (21323)
(US) Ideas Grand Piano Set 21323 - 100% Verified Authentic and New
(US) Ideas: Grand Piano (21323)3662 pcs Brand New, Sealed Box, Sealed Shipper!
(US) Ideas: Grand Piano 21323 (LEGO) Sealed LEGO 2B3
(US) Brand New In Factory Sealed Box! (Box is nice, but not perfect. May have some light ...
(US) BrickLink store Gotta Build'em All Bricks
(CA) CANADA AND USA only, No International shippingShipping within Canada $35CAD / USA $55...
(US) - box shows standard shelf wear, including some very light scratches here and there, ...
(US) BRAND NEW SEALED - Lego 21323 Ideas #031 Grand Piano (Some Box Damage, See Pics)
(US) 21323, Ideas Grand Piano (3662pcs) New & Sealed in box.
(US) Ideas: Grand Piano (21323)Brand New, Sealed Box, and Never Opened!
(CA) MISB. In original shipping box.
(US) Brand New in Sealed Box! Item will ship inside a double box
(CA) Grand Piano LEGO Ideas (21323) Brand New Sealed
(US) 21323 Ideas Grand Piano, Factory Sealed
(US) Ideas 21323 Grand Piano (3662pcs) New & Sealed IN HAND Ship Next Day!
(US) Ideas 21323 Playable Grand Piano Adult Block Building Set, 3662 Pieces
Show 63 more listings

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Year 2020
Pieces / Minifigs 2,545 / 10
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Growth 47.6%
Annual growth 21.5%
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92177 LEGO Ideas Ship in a Bottle
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Growth 41.4%
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Pieces 864
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21321 LEGO Ideas International Space Station
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Growth 11.3%
Annual growth 5.9%
Do you have a passion for music? Do you like to relax by focusing on a fun, hands-on project in your free time? If so, this incredible LEGO® Ideas Grand Piano model kit (21323) is just the creative activity for you.

Beautiful and playable
Feel the pride of building a sophisticated, brick-built version of a concert grand piano that you can actually play music with! Recreate the hammer action of each piano key, the moving pedal and authentic details such as the propped-open top lid and fallboard. Turn on the motor and then you are all set to play wonderful music – select user play on the free LEGO Powered Up app to play the notes yourself or activate auto play and just listen.
Description provided by LEGO©