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Price Analysis
Lowest Price Ever
£45.00
at Amazon UK · Jun 2026
Average Price (12mo)
£58.40
Current vs Average
+2.7%
Above average
Price Trend
Stable
Last 30 days
Best Month to Buy
June
Value Score
9.0/10
Price-per-piece vs theme avg
The lowest price we've recorded for SMART Play™: Darth Vader's TIE Fighter™ is £45.00 at Amazon UK in June 2026. The current price is 2.7% above the 12-month average of £58.40. Historically, June tends to offer the best prices for this set.
Price History & Buying Verdict
- •The current best price of £46.56 is within 5% of the all-time low we've recorded (£45.00 at Amazon UK, June 2026).
- •On price-per-piece, this is one of the better-value sets in the Star Wars™ range (value score 9.0/10 vs theme average).
- •A recent price drop of about £9.99 was recorded in the last 30 days.
We've been tracking the price of LEGO Star Wars™ SMART Play™: Darth Vader's TIE Fighter™ (473 pieces) for 151 days, recording 57 data points across LEGO.com and major UK retailers. Over that period the price has dropped 14 times below previous levels, with the lowest price ever recorded being £45.00 at Amazon UK in June 2026.
The 12-month average sale price for set 75421 works out to £58.40 — that's 2.7% below the LEGO RRP of £59.99. The highest price we recorded across our tracked retailers was £89.99, giving a range of about £44.99 between the cheapest and most expensive observation.
Amazon UK has run the most price drops on this set in the period we've tracked, making it the retailer most worth watching for short-term deals. Historically, June has produced the lowest average prices for SMART Play™: Darth Vader's TIE Fighter™, so if you're not in a hurry it's worth bookmarking the page closer to that window.
Want to see how LEGO SMART Play™: Darth Vader's TIE Fighter™ (set 75421) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.
Description
SMART Play™: Darth Vader's TIE Fighter™ (75421) is a LEGO Star Wars™ set with 473 pieces, with an RRP of £59.99. It's currently available from £46.56 at Amazon FR — 8% below the RRP, saving you £5.00. Prices have been stable over the last 30 days. With a value score of 9.0/10, this set offers excellent value compared to other Star Wars™ sets.
Connected Product: LEGO® SMART brick
Type of data generated as part of normal use:
The connected product is capable of generating the following types of product data:
In addition, the SMART Brick has a built-in microphone for potential future play experiences. The microphone is currently deactivated, and no data can be generated from it. Activation will require both consumer’s permission and a SMART Brick update.
Type of data generated based on consent from the user
The connected product is capable of generating the following types of product data if the user consents to the collection of data through the companion application LEGO® SMART ASSIST™:
Usage statistic relating to:
Data format:
Estimated volume of data:
Continuous and real-time data generation:
The connected product
capable of generating data continuously and in real-time as part of use.
Storage location:
The connected product stores data:
Duration of data retention:
Where data is stored, the intended duration of retention is:
How to access data:
How to retrieve data:
If a LEGO® Insiders Account holder has consented to data collection, contact may be established via privacy.officer@LEGO.com regarding any queries related to data retrieval. For non-account holders, data is not traceable back to anonymous devices.
How to erase data
Users may erase their data by:
This action will delete all gathered data on the SMART Brick and prevent it from gathering any usage statistics until setting is changed.
Technical requirements for the LEGO® SMART Assist app
Related service: LEGO® SMART Assist (Mobile Application)
Nature of product data obtained:
The service provider will obtain the following product data: Items marked with * will only be shared with the LEGO Group if you have consented to data collection:
Estimated volume:
Collection frequency:
User access arrangements:
Storage arrangements:
Nature of related service data:
The related service will generate the following types of data:
Estimated volume:
User access arrangements:
Storage arrangements:
Use of data by service provider
The service provider:
use readily available data for its own purposes without consent to do so.
The full LEGO Privacy Policy can be found here https://www.lego.com/legal/notices-and-policies/privacy-policy
Third-party data sharing
The service provider:
intend to allow third parties to use the data.
Selected third-party service providers (e.g., cloud hosting and analytics partners) may process the data on behalf of the LEGO Group. They act strictly as data processors and may not use the data for their own purposes.
Data holder identity
The data holder for this related service is:
Other data processing parties:
Amazon Web Services
Contact information
You may contact the data holder through the following means:
Postal address:
How to request data sharing:
Users may request for their data to be shared with a third party by contacting the LEGO Group electronically via: privacy.officer@LEGO.com.
How to end data sharing:
Users may end data sharing with a third party by
contacting the LEGO Group electronically via: privacy.officer@LEGO.com.
Right to lodge a complaint:
In the event that you believe that your rights under Regulation (EU) 2023/2854 have been violated, you have the right to lodge a complaint with the competent authority responsible for supervising compliance with Regulation (EU) 2023/2854.
Features
- 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
Frequently Asked Questions about SMART Play™: Darth Vader's TIE Fighter™
What is the best price for LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set 75421)?
The best current price for LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set #75421) is £55.43 at Amazon FR. This is £5.00 cheaper than the official LEGO RRP of £59.99. Price last verified on 14 June 2026.
How much can I save on LEGO SMART Play™: Darth Vader's TIE Fighter™?
You can save £5.00 (8% off) on LEGO SMART Play™: Darth Vader's TIE Fighter™ by buying from Amazon FR instead of LEGO.com. The official RRP is £59.99, but you can get it for just £55.43. Browse more top discounts.
How many pieces are in LEGO set 75421?
LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set #75421) contains 473 pieces. At the best available price of £55.43, that works out to approximately 11.7p per piece.
What age is LEGO SMART Play™: Darth Vader's TIE Fighter™ suitable for?
LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set #75421) is recommended for ages 8+. This set is part of the LEGO Star Wars™ theme. View all Star Wars™ sets and deals.
Where can I find the building instructions for LEGO SMART Play™: Darth Vader's TIE Fighter™?
You can download the official building instructions for LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set #75421) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.
Where can I buy LEGO SMART Play™: Darth Vader's TIE Fighter™ in the UK?
Is LEGO SMART Play™: Darth Vader's TIE Fighter™ on sale right now?
Yes! While not on sale at LEGO.com, you can get LEGO SMART Play™: Darth Vader's TIE Fighter™ for £55.43 at Amazon FR - that's 8% below the official RRP of £59.99. Browse more best offers.
What is the lowest price ever recorded for LEGO SMART Play™: Darth Vader's TIE Fighter™?
The lowest price we've recorded for LEGO SMART Play™: Darth Vader's TIE Fighter™ (Set #75421) is £45.00 at Amazon UK in June 2026. That's 25% off the LEGO RRP of £59.99. Track the latest movements on our LEGO price history page.
Is LEGO SMART Play™: Darth Vader's TIE Fighter™ good value for money?
Comparing piece-count to price across the LEGO Star Wars™ theme, this set scores 9.0 / 10 for value. That works out to about 11.7p per piece. That puts SMART Play™: Darth Vader's TIE Fighter™ in the top tier of Star Wars™ sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.
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