Grand Piano 21323
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LEGO® Ideas 21323 Grand Piano

The Lego set Grand Piano with the Lego number 21323 is part of the LEGO Ideas theme and is recommended for ages 18+. Thus, the set is suitable especially for adults. The set was released in July of 2020. The model consists of a total of 3662 parts and we estimate it takes you around 8 - 10 hours to build it. The set was designed by Samuel Johnson, Woon Tze Chee.
The set weighs around 6.090 kg in total. Its dimensions are 22.9 x 14.9 x 6.3 inch( 58.2 x 37.8 x 16 cm). The recommended retail price is 399.99$.
Our Brickfact Lego price comparison compares prices from 2 shops for this set. Currently has the lowest price at 361.95$. This corresponds to a per piece price of 0.10$. With this offer, you save 38.04$ off the suggested retail price and get the set at a 10% discount.
You will also receive 2600 Insiders points if you decide to buy the set from the official Lego store. You can exchange them for discount coupons for future purchases.
The Part-Out-Value (POV) is the sum of all part prices paid on for this set. It is about 546.82$. You save around 184.87$ if you buy this set directly at instead of purchasing the bricks on Therefore, the current best offer has a POV rate of 1.51. The POV Rate is the ratio of Part-Out-Value to the current best price on

LEGO 21323 price comparison

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Lego 21323 product data

Set Information

Set ID
Samuel Johnson, Woon Tze Chee
Building Time
8 - 10 hours
Age Range


Retiring Status
Middle of Life (12/2025)

Price Information

Insiders Points (for purchase at Lego)
Part Out Value


6.090 kg
Packaging dimensions
22.9 x 14.9 x 6.3 in

LEGO 21323 price trend


Official Set Description for LEGO 21323 Grand Piano

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.

LEGO sets for your lifestyle
Take some time out and enjoy creating a LEGO musical masterpiece to display in your home or workplace. Part of a collection of LEGO building sets for adults, it makes a truly special birthday present or Christmas gift for yourself, the musician, piano player or hobbyist in your life.

  • Drum roll please as we proudly introduce the first-ever, playable LEGO® Grand Piano! Experience the hands-on pleasure of creating a highly sophisticated LEGO concert piano model and then play beautiful music with it.
  • The LEGO® Ideas Grand Piano (21323) has a removable 25-key keyboard, authentic hammer action, moving dampers and pedal, and motor. Combined with the LEGO Powered Up app, you can play a tune yourself or automatically.
  • Revel in the authentic design details of this beautiful model, from the top lid that can be propped up just like a real grand piano’s, to the opening fallboard and piano leg wheels, plus a height adjustable bench.
  • If you are looking for a creative DIY project, this 3,662-piece model building kit is ideal for you. So, take some time out and click your stress away with a rewarding challenge that will leave you feeling revitalized.
  • The piano measures over 8.5” (22.5cm) high, 12” (30.5cm) wide and 13.5” (35.5cm) deep when closed. A stylish item for your home or workplace, it also makes a cool gift for musicians, music-lovers, pianists and hobbyists.
  • To power up the grand piano’s self-playing function, you’ll need 6 AAA batteries (not included) and the free LEGO® Powered Up app – choose user play to play the notes yourself or auto play to listen to 1 of 4 songs.
  • Clear instructions help you to build with confidence and really enjoy the process, even if you are a LEGO® newcomer. Also included is a coffee-table-style booklet about this grand piano set’s fan designer and more.
  • This LEGO® Ideas building set for adults is part of a collection of inspiring model kits designed for the discerning hobbyist who relishes an immersive, hands-on DIY project.
  • Since 1958, LEGO® building bricks have met the highest industry standards, which ensures they are consistent, compatible and connect and pull apart easily every time.
  • LEGO® bricks and pieces are rigorously tested to meet exacting safety and quality standards, so you can be sure that this collectible grand piano model is as robust as it is beautiful.

Building Instruction for LEGO 21323 Grand Piano

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