LEGO Castle Knights Accessory Set 850888-1
LEGO Castle Knights Accessory Set (850888-1) is estimated at about $99 sealed as of Sep 2026 (retail $15). Retired 2014 · 32 pieces · 2014 Castle.
- Set number
- 850888-1
- Theme
- Castle
- Year
- 2014
- Pieces
- 32
- Minifigures
- 4
- RRP
- $15
- Market value
- $99 (Estimate, Sep 2026)
- Used value
- $47
- Released
- 2014
- Retirement
- Retired in 2014
Minifigures in LEGO Castle Knights Accessory Set
- LEGO Castle - King's Knight Armor with Lion Head with Crown, Helmet with Pointed Visor, Blue Plume, Determined / Open Mouth Scared Pattern
- LEGO Castle - King's Knight Blue and White with Chest Strap and Crown Belt, Helmet with Neck Protector, Angry Eyebrows and Scowl
- LEGO Castle - King's Knight Breastplate with Crown and Chain Belt, Helmet with Neck Protector, Closed Grin with Stubble
- LEGO Castle - King's Knight Scale Mail, Crown Belt, Helmet with Broad Brim, Quiver, Smirk and Stubble Beard
Castle Knights Accessory Set value by year
From $15 in 2015 to $99 (Estimate, Sep 2026): +574%. Its highest year was 2026, at $99.
| Year | Value | Change |
|---|---|---|
| Estimate, Sep 2026 | $99 | +13.9% |
| 2026 (so far) | $99 | +13.9% |
| 2025 | $87 | +4.3% |
| 2024 | $83 | −5.5% |
| 2023 | $88 | +36.1% |
| 2022 | $65 | +4.2% |
| 2021 | $62 | +38.0% |
| 2020 | $45 | +28.4% |
| 2019 | $35 | −14.6% |
| 2018 | $41 | +76.7% |
| 2017 | $23 | +16.4% |
| 2016 | $20 | +35.9% |
| 2015 | $15 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 4 priced minifigures are worth about $47 together, roughly 47% of the set's value — high for Castle sets, so most of what you pay for is the figures (typically 23%).
Frequently asked questions
How much is LEGO Castle Knights Accessory Set (850888-1) worth?
LEGO Castle Knights Accessory Set is worth approximately $99 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Castle Knights Accessory Set retired?
Yes — Castle Knights Accessory Set (850888-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Has LEGO Castle Knights Accessory Set gone up in value?
Yes. Castle Knights Accessory Set launched at $15 and now trades around $99, an increase of 557.9%. See the price history chart for how it got there.
What is the price per piece for Castle Knights Accessory Set?
At its $15 retail price across 32 pieces, Castle Knights Accessory Set works out to about $0.468 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Castle Knights Accessory Set a good investment?
Castle Knights Accessory Set currently trades 557.9% above its $15 retail price, and it is retired, so no new supply is entering the market. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.
Why is LEGO Castle Knights Accessory Set so expensive?
Castle Knights Accessory Set was released in 2014 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.