LEGO Grand Piano (21323) Value
What does the LEGO Grand Piano (set 21323) actually sell for? Below are real eBay completed-sale medians, split by condition, with the most recent sold listings. That’s down 17% on its $400 retail price.
LEGO 21323 Grand Piano — what it sells for
⤢ enlarge-17%vs $400 RRP — sealed median $331 (0.8× retail)
Sealed
$331
range $28–$362
You’d net $288 after eBay fees
24 sold
New, factory-sealed (MISB).
Used — complete
$249
range $217–$293
You’d net $217 after eBay fees
7 sold
Opened/built, all pieces.
Recent real sold listings
Recent sold listings
| Listing | Condition | Sold | Price |
|---|---|---|---|
| LEGO 21323 Ideas Grand Piano Building Set Motor Power Functions Plays Music NEW | Sealed | 2026-06-04 | $349 |
| LEGO Ideas: Grand Piano (21323) | Used — complete | 2026-06-04 | $305 |
| SEALED LEGO IDEAS #031 Set 21323 Grand Piano NEW | Sealed | 2026-06-03 | $340 |
| LEGO 21323 Ideas Grand Piano 21323 | Sealed | 2026-06-03 | $349 |
| Brand New Sealed Retired LEGO Ideas #21323 Grand Piano set Collector | Sealed | 2026-06-01 | $400 |
| LEGO IDEAS GRAND PIANO 21323 Retiring Soon - Brand New Sealed/Mint Box | Sealed | 2026-05-29 | $326 |
| LEGO Ideas: Grand Piano (21323) (Factory Sealed / Moving Sale) | Sealed | 2026-05-29 | $416 |
| LEGO Ideas: Grand Piano (21323) | Sealed | 2026-05-28 | $267 |
| Lego Ideas: #21323 Grand Piano (2020 Retired) BNIB Sealed | Sealed | 2026-05-28 | $334 |
| LEGO IDEAS 21323 GRAND PIANO - Brand New Sealed - In Hand Ready To Ship | Sealed | 2026-05-28 | $383 |
How to read these numbers
Each figure above is the median of real eBay completed sales for the Grand Piano (set 21323) in that condition, including shipping. “Net” subtracts eBay’s ~13% fee — what you’d actually keep as the seller. Notice the spread between conditions: sealed around $331, used — complete around $249.
Prices move, so check the recent listings and run a fresh lookup before you buy or sell. For context, see the most valuable sets and other retired sets.
Frequently asked questions
How much is LEGO 21323 worth?
Based on recent eBay sold listings, the Grand Piano sells for a median of about $331 sealed, less in lower conditions. See the full condition breakdown above.
Are these asking prices or actual sales?
Actual completed (sold) eBay sales — not asking prices. The recent-listings table shows the individual sales behind the medians.
Is the Grand Piano retired?
Yes — set 21323 is retired, which is typically why used and sealed prices sit above the original RRP.