- LEGO® BrickHeadz™ Gandalf the Grey™ & Balrog™ building set (40631) – Features a LEGO BrickHeadz Gandalf figure with a sword and staff, and a Balrog figure with a whip
- Gift idea for ages 10 and up – This 348-piece construction set makes a fun gift for The Lord of the Rings™ fans, LEGO® builders and LEGO BrickHeadz™ collectors
- Build and display – The Gandalf the Grey™ and Balrog™ figures both stand over 3.5 in. (9 cm) tall. Each of these collectible models comes with a baseplate for display
LEGO® BrickHeadz 40631 Gandalf the Grey & Balrog
Current best price
LEGO 40631 is currently available from $48.95 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.
Updated October 21, 2026 at 12:01 AM EDT
LEGO 40631 price comparison: where is it cheapest?
Prices incl. shipping to the US ·
iFurther information
The Lego set Gandalf the Grey & Balrog with the set number 40631 is part of the LEGO BrickHeadz theme and is recommended for ages 10+. It was released in January 2023. The model has 348 pieces, and we estimate it takes around < 1 hour to build. It was designed by Dan Squirrell.849 Brickfact users have this set in their collection.
The set weighs about 0.350 kg. The box measures 7.5 x 5.6 x 2.8 in (19.1 x 14.1 x 7.1 cm). The recommended retail price is $19.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $48.95 including shipping. That is $0.14 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $33.93.
Lego 40631 product data
Set Information
Availability
Release
01/2023
Retiring Status
Retired (12/2024)
Price Information
RRP
$19.99
Insiders Points (for purchase at Lego)
130
Part Out Value
$33.93
Packaging
Weight
0.350 kg
Packaging dimensions
7.5 x 5.6 x 2.8 in
EAN (GTIN13)
5702017423814
Popularity with Brickfact users
- users have this set
- 849
- buyers in the last 12 months
- 54
849 Brickfact users have Gandalf the Grey & Balrog in their collection. 54 users bought it in the last 12 months.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of October 20, 2026.
LEGO 40631 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- $30.04
- Growth vs. RRP
- +50.3 % $19.99
- Range
- $27.83 – $31.08
- Average
- $29.10
Loading price history…
LEGO 40631 price history: how has the price changed?
Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $48.95 (5 days ago).
- Current best price
- $48.95 +145% vs. RRP
- Best price since 10/12/2026
- $48.95 +145% vs. RRP · 5 days ago
Daily lowest prices at the tracked shops, including shipping. Gaps indicate days with no recorded price. The table lists each shop’s lowest price.
Lowest price per retailer (since 10/12/2026)
| Retailer | Current | Lowest price | Date |
|---|---|---|---|
 Walmart.com | $48.95 | $48.95 | 10/21/26 |
Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.
Official Set Description for LEGO 40631 Gandalf the Grey & Balrog
“You shall not pass!” Celebrate an iconic battle from The Lord of the Rings: The Fellowship of the Ring with this collectible LEGO® BrickHeadz™ Gandalf the Grey™ & Balrog™ building set (40631). Recreate iconic details of the wizard Gandalf the Grey and the flaming beast Balrog and display the buildable figures with pride. This set makes a magical treat, birthday present or holiday gift for The Lord of the Rings™ fans, LEGO builders and LEGO BrickHeadz collectors.
Building Instruction for LEGO 40631 Gandalf the Grey & Balrog
Part Lists for LEGO 40631 Gandalf the Grey & Balrog
LEGO 40631 Frequently Asked Questions
How much does LEGO 40631 Gandalf the Grey & Balrog cost?
The lowest price in the Brickfact price comparison is currently $48.95 incl. shipping at Walmart.com. The RRP is $19.99.
Where can I buy LEGO 40631 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 40631: Walmart.com ($48.95).
Is LEGO 40631 still available?
LEGO has retired 40631 Gandalf the Grey & Balrog. New copies are still available at 1 retailers in our price comparison while stocks last.
How many pieces are included in the LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631)?
The LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631) includes a total of 348 pieces.
What is included in the LEGO BrickHeadz Gandalf the Grey figure?
The LEGO BrickHeadz Gandalf the Grey figure comes with a sword and a staff.
What accessories are included with the Balrog figure in the LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631)?
The Balrog figure in the LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631) comes with a whip as its accessory.
What is the recommended age for the LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631)?
The LEGO BrickHeadz Gandalf the Grey & Balrog building set (40631) is recommended for ages 10 and up.
When was LEGO 40631 cheapest?
Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 40631 was $48.95 on 10/16/2026 at Walmart.com, including shipping. Amazon prices are not included.
