- Star Wars™ fans young and old will enjoy creating and displaying a LEGO® brick-built artwork of the lovable Stars Wars droid BB-8 with this LEGO Brick Sketches™ construction model kit.
- A great gift idea for ages 8 and up, this 171-piece building set is part of the LEGO® Brick Sketches™ theme which features collectible, buildable, 3-D illustrations of iconic characters on 12x16 baseplates.
- LEGO® Brick Sketches™ BB-8 measures over 5” (13cm) high, 3” (9cm) wide and 1” (3cm) deep. It makes a striking display piece freestanding on the mantelpiece or hung by the built-in hook on a wall.
Lego® Star Wars™ 40431 Brick Sketches™ BB-8™
Market value
Market value (new, sealed) on 13 November 2026: £9.57 – 36% below RRP (£14.99). See the value history
No offer right now. We email you as soon as a shop offers this set at your target price.
The Lego set Brick Sketches™ BB-8™ with the set number 40431 is part of the LEGO Star Wars™ theme and is recommended for ages 8+. It was released in July 2020. The model has 171 pieces, and we estimate it takes around < 1 hour to build. It was designed by Chris McVeigh.230 Brickfact users have this set in their collection.
The set weighs about 0.257 kg. The box measures 5.6 x 7.5 x 2.8 in (14.1 x 19.1 x 7.1 cm). The recommended retail price is £14.99.
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 £15.04.
Lego 40431 product data
Set Information
Availability
Release
07/2020
Retiring Status
Retired (12/2021)
Price Information
RRP
£14.99
Insiders Points (for purchase at Lego)
120
Part Out Value
£15.04
i
Packaging
Weight
0.257 kg
Packaging dimensions
5.6 x 7.5 x 2.8 in
EAN (GTIN13)
5702016762426
Popularity with Brickfact users
- users have this set
- 230
230 Brickfact users have Brick Sketches™ BB-8™ in their collection.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 13 November 2026.
Lego 40431 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- £9.57
- Growth vs. RRP
- −36.2 % £14.99
- Range
- £7.83 – £10.06
- Average
- £8.55
Loading price history…
Lego 40431 price history: how has the price changed?
Brickfact has been recording retailer prices since 31/10/2026. Best price so far: £17.93 (13 days ago).
- Best price since 31/10/2026
- £17.93 +20% vs. RRP · 13 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 31/10/2026)
| Retailer | Current | Lowest price | Date |
|---|---|---|---|
| eBay | – | £17.93 | 04/11/26 |
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 40431 Brick Sketches™ BB-8™
Create an awesome 3-D illustration of BB-8 with this cool LEGO® Brick Sketches™ construction set (40431) for youngsters and all fans of the astromech droid. Built on a 12x16 baseplate, the portrait looks great displayed freestanding or the built-in hook can be used to hang it on a wall. An awesome birthday or holiday gift or surprise any-time present, it makes a great addition to any builder's collection of LEGO Brick Sketches character artworks.
Building Instruction for LEGO 40431 Brick Sketches™ BB-8™
Part Lists for LEGO 40431 Brick Sketches™ BB-8™
LEGO 40431 Frequently Asked Questions
Is LEGO 40431 still available?
LEGO has retired 40431 Brick Sketches™ BB-8™, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is £9.57.
When was LEGO 40431 cheapest?
Since tracking began on 31/10/2026, the lowest shop price recorded by Brickfact for LEGO 40431 was £17.93 on 31/10/2026 at eBay, including shipping. Amazon prices are not included.
