LEGO International Space Station (21321) Value
What does the LEGO International Space Station (set 21321) actually sell for? Below are real eBay completed-sale medians, split by condition, with the most recent sold listings.
LEGO 21321 International Space Station — what it sells for
⤢ enlargeSealed
$177
range $159–$201
You’d net $154 after eBay fees
13 sold
New, factory-sealed (MISB).
Used — complete
$109
range $109–$109
You’d net $95 after eBay fees
1 sold (thin)
Opened/built, all pieces.
Recent real sold listings
Recent sold listings
| Listing | Condition | Sold | Price |
|---|---|---|---|
| LEGO Ideas International Space Station ISS NASA Set 21321 | NEW & SEALED | Sealed | 2026-06-05 | $130 |
| Lego 21321 International Space Station 864pcs SEALED | Sealed | 2026-06-05 | $201 |
| LEGO Ideas 21321 International Space Station NEW Sealed RETIRED NASA ISS 864pcs | Sealed | 2026-05-31 | $215 |
| LEGO Ideas 21321 International Space Station New & Sealed Retired | Sealed | 2026-05-30 | $152 |
| LEGO Ideas NASA International Space Station 21321 (RETIRED) Excellent condition | Used — complete | 2026-05-29 | $109 |
| LEGO Ideas: International Space Station 21321 - NISB | Sealed | 2026-05-27 | $159 |
| LEGO Ideas 21321 International Space Station NEW Sealed RETIRED NASA ISS 864pcs | Sealed | 2026-05-26 | $195 |
| LEGO 21321 Ideas International Space Station - Brand New In Box - Retired Set | Sealed | 2026-05-26 | $208 |
| LEGO Ideas: International Space Station (21321) | Sealed | 2026-05-25 | $159 |
| LEGO Ideas 21321 International Space Station NEW Sealed RETIRED NASA ISS 864pcs | Sealed | 2026-05-25 | $215 |
How to read these numbers
Each figure above is the median of real eBay completed sales for the International Space Station (set 21321) 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 $177, used — complete around $109.
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 21321 worth?
Based on recent eBay sold listings, the International Space Station sells for a median of about $177 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 International Space Station retired?
Yes — set 21321 is retired, which is typically why used and sealed prices sit above the original RRP.