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LEGO SMART Play: Darth Vader's TIE Fighter (75421)

Star Wars · 473 pieces · 2 minifigures

From £39.98 at Amazon.co.uk · 33% off

Not retiring yet (on sale since 2026)

LEGO SMART Play: Darth Vader's TIE Fighter (75421)

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Compare prices (UK)

Regular price £59.99

See it at Amazon.co.uk, £39.98

Buy now: That’s the lowest price we’ve recorded here since 8 October 2026.

. Amazon offers can be third-party (marked).

Similar sets with bigger discounts

Price history

Lowest price today: £39.98; at Amazon.co.uk
Lowest we’ve recorded: £39.98; Amazon.co.uk, 16 Oct 2026
LEGO’s regular price: £59.99; today’s lowest is 33% off
Tracked since: 8 Oct 2026; 5 price changes since

Price records (12)

16 October 2026 · Amazon.co.uk£39.98
16 October 2026 · John Lewis£39.98
15 October 2026 · Smyths Toys£39.99
14 October 2026 · John Lewis£49.98
13 October 2026 · John Lewis£59.99
11 October 2026 · Amazon.co.uk£39.99
10 October 2026 · Very£39.99
10 October 2026 · Argos£60.00
10 October 2026 · Smyths Toys£49.99
8 October 2026 · The Entertainer£60.00
8 October 2026 · John Lewis£49.98
8 October 2026 · LEGO.com UK£59.99

Prices at LEGO.com UK, Amazon.co.uk, Argos, Smyths Toys, Very, John Lewis, The Entertainer and Kidinn, checked daily. A line breaks when a store was out of stock or not selling the set.

LEGO SMART Play: Darth Vader's TIE Fighter in other countries

The lowest price today in each country where LEGO sells it, converted at the European Central Bank’s rate. Delivery across borders isn’t included: most stores only ship inside their own country.

CountryLowest priceIn GBPStore

DeutschlandBest priceAmazon.de€41.99£35.18Amazon.de
FranceCarrefour€42.74£35.80Carrefour
AustraliaKmartA$69.00£36.17Kmart
UK(this page)Amazon.co.uk£39.98£39.98Amazon.co.uk

Show all 6 countries

Exchange rates of 22 October 2026.

Resale value

What the LEGO SMART Play: Darth Vader's TIE Fighter actually sold for on BrickLink, the LEGO-owned marketplace, in the last 6 months.

New

£48.27

Median of 13 sales (worldwide), from £38.19 to £58.37

-20% vs LEGO’s regular price (£59.99)

Used

£26.91

Median of 1 sale (US sellers)

-55% vs LEGO’s regular price (£59.99)

Sales on BrickLink, updated daily (last update 23 October 2026). Sold in US dollars, shown in British Pound at the ECB rate of 22 October 2026. Few sales mean a less reliable figure.

Set details

Pieces: 473
Minifigures: 2
Ages: 8+
Released: 2026
Set number: 75421
Theme: Star Wars
Price per piece: 8.5pat today’s lowest price
LEGO.com rating: 3.8
LEGO Insiders points: 480

LEGO SMART Play: Darth Vader's TIE Fighter building instructions

Official instructions from LEGO.com, free to download. The LEGO Builder app has them too, many with 3D steps. All instructions on LEGO.com

LEGO SMART Play: Darth Vader's TIE Fighter parts list

463 pieces in 164 different parts and colors, plus 2 minifigures.

Minifigures

Darth Vader (SMART Play)
Rebel Trooper / Rebel Fleet Trooper, Light Nougat Head (Angry / Neutral)

×204304
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×488646
×31748
×33069b
×33710
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×318654
×332607
×341740
×387580
×21748
×21750
×22412b
×22420
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×23020
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×23710
×24032a
×24032a
×25712
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×27791
×211211
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×213547
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×220482
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×269754
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×273109
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×280015
×285861
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×287079pr0126
×290258
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×11748
×12412b
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×13010
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×13039pr0025
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×13176
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×111213
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×118675pr0037
×122889
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×143093
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×187079
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×190258
×196874
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×1102349pr0013
×1109369
×1116016
×1118829

Parts list: Rebrickable.

About the LEGO SMART Play: Darth Vader's TIE Fighter

Introduce kids to the LEGO® Star Wars™ galaxy that plays back with this interactive building toy, featuring Darth Vader’s TIE Fighter (75421). Part of a range of sets powered by the LEGO SMART Play™ system, this All-In-One Set includes all SMART Play components – a SMART Brick and charger, a LEGO SMART minifigure and a SMART Tag – enabling responsive play, dynamic lights, sounds and more. Hear roaring engines as the TIE Fighter is launched and swooshed in different directions. Bring SMART Darth Vader to life. Dodge incoming fire from the Rebel outpost. Pull the trigger to activate laser-shooting sounds. Refuel and repair the iconic Star Wars vehicle at the Imperial fuel station. Add SMART Play Compatible Sets (sold separately) for more interactive play options. Help children get started, troubleshoot, control sound levels and download updates for enhanced SMART Play action with the LEGO SMART Assist App. A top Star Wars gift for boys and girls ages 8 plus, this set contains 473 pieces.

INTERACTIVE BUILDING TOY – The Star Wars™ galaxy plays back with Darth Vader’s TIE Fighter (75421) All-In-One Set, powered by the LEGO® SMART Play™ system, with a SMART Brick and charger
POWER UP THE TIE FIGHTER – Place the SMART Brick on the SMART Tag in the starfighter for motion-activated engine sounds and lights, laser-shooting, refueling and repair sounds
LEGO® SMART STAR WARS™ MINIFIGURE – Bring SMART Darth Vader to life with the SMART Brick for immersive play, triggering reactions to situations he experiences
BUILT FOR IMMERSIVE PLAY – Refuel the TIE Fighter at the fuel station, attack with Darth Vader’s Lightsaber™ and help the Rebel Fleet Trooper defend the Rebel outpost with its dual stud shooter
GIFT FOR KIDS – Boys and girls ages 8 and up who love Star Wars™ can enjoy screen-free action play with this exciting set that’s great for solo play or battling with friends
LEGO® SMART ASSIST APP – Help children unlock more from the SMART Play™ system with the SMART Assist App; get started, troubleshoot, control sound levels and download updates for enhanced play
MIC DROP – This LEGO® Star Wars™ set includes a deactivated, built-in microphone for potential future play features; activation will require both your permission and a firmware update
DIMENSIONS – The TIE Fighter in this 473-piece set measures over 4 in. (10 cm) high, 4 in. (11 cm) long and 5.5 in. (15 cm) wide; SMART Brick battery life is approx. 45 minutes per charge
We are unable to ship items with batteries to PO Box address, APO addresses, or FPO addresses. To avoid delays to your order, during checkout, please provide a physical shipping address or select a UPS Access Point®.

Description: LEGO.com.

LEGO SMART Play: Darth Vader's TIE Fighter: FAQ

Is the LEGO SMART Play: Darth Vader's TIE Fighter retiring?

Not yet: the LEGO SMART Play: Darth Vader's TIE Fighter isn’t flagged as retiring. LEGO.com UK doesn’t list it as “Retiring soon”. We check every day and will update this page the day that changes.

How much is the LEGO SMART Play: Darth Vader's TIE Fighter?

The lowest price we found today is £39.98 at Amazon.co.uk, out of 7 stores selling it today (regular price £59.99). Prices change often: this page is updated every day.

Should I buy the LEGO SMART Play: Darth Vader's TIE Fighter now or wait?

33% off at Amazon.co.uk. The best price today is £39.98 at Amazon.co.uk, 33% below LEGO’s regular price. That’s the lowest price we’ve recorded here since 8 October 2026.