Lego SMART Play™: Darth Vader's TIE Fighter™ 75421

The Dark Lord Arrives

Introducing LEGO Star Wars SMART Play: Darth Vader's TIE Fighter™ 75421. With 473 pieces, this build stands 4 in (10.2 cm) high, 5.5 in (14.0 cm) wide, and 4 in (10.2 cm) deep. It brings a new interactive layer to the iconic starfighter, bridging physical play with digital engagement.

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Set # 75421
Released 2026
Pieces 473
Price / Piece 14.8¢
Figures 2
Age 8+
Scale & Brick Value Piece Volume & Pricing Ranks
Piece Rank #688 Top 45% active
Historic Scale #2,646 Top 14% of 20,150
Part Efficiency #1,328 14.5¢/pc • Top 87%
Collector Insights Verified Oct 11, 2026

Includes 4 exclusive molds and 3 rare elements recorded across official inventories.

This set also includes 1 light extension
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Set 75421 Build Specifications & Overview

Complete build timeline, spatial dimensions, and display footprint analysis.

Hardware Included

This set includes 1 Smart Brick and a Smart Charger. The Smart Brick acts as the interactive hub for your build, while the charger ensures your gear stays powered up.

Value Breakdown

Est. Build Time (*Pieces per minute)
Casual 4h 2 ppm*
AFOL (Avg) 2h 4 ppm*
Master Builder 1.1h 7 ppm*
Avg Price / Hour
$34.99/hr
Specialty Part Value
Minifigures (1) $5.00
Smart Figs (1) $9.00
Smart Tags (1) $2.50
Smart Charger (1) $15.00
Specialty Total $31.50
Price Per Basic Brick
$0.08

Priced perfectly inline with standard LEGO sets.

Display Dimensions

Height 4 in (10.2 cm) 10 Bricks + 1 Plate high
Width 5.5 in (14.0 cm) 17 Studs wide
Depth 4 in (10.2 cm) 13 Studs deep
Display Footprint 22.0 sq in (141.9 sq cm) 17 × 13 Studs

The Scale Check

Height equivalent to approx 2.5 minifigures stacked.

Display Fit
Standard Shelf Friendly (Kallax/Billy)
Building Instructions

Download or view the official PDF

Video Showcase

Third-Party Display Extension

Lighting the Dark Side: A Look at the Only LED Upgrade for Darth Vader's TIE Fighter

BUILDS:1|STARTER: $29.98|PRO: $29.98|MEDIAN: $29.98

When it comes to illuminating the new SMART Play TIE Fighter, there's exactly one option on the market, and it's a budget-focused one. It's priced at $29.98, which is 43% of the set's MSRP, but it brings a modular micro-LED approach that might appeal to purists who want a clean, permanent lighting solution. However, it lacks the sound, remote, or RGB features found in pricier kits for other sets. We'll examine what this kit covers and how its wiring philosophy compares to the broader LEGO lighting market.

BrickBling LED kit for LEGO Star Wars Darth Vader's TIE Fighter 75421, illuminating the iconic solar panels and cockpit
budget floor

Budget-Lit Imperial Wings

$29.98
Starting At
Standard Version$29.98

This is the sole kit for the new TIE Fighter, priced at $29.98 and focuses on illuminating the iconic solar panels, cockpit, and the Rebel bunker's key details. It uses modular micro-LEDs for a tidy, hidden wiring approach, and only a single standard edition is available, so there are no variant choices to weigh. For a collector who wants a straightforward, cost-conscious lighting solution without extra bells and whistles, this is your only path to the dark side.

Set Cost Ratio42.83%
RGB CapableNo
RemoteNone
Price Rank#1 of 1

Lighting kits and display add-ons are custom third-party accessories produced independently. They are not manufactured, sponsored, or endorsed by the LEGO Group.