Quick take: A centerpiece‑ready LEGO Star Wars set for ages 9+ that mixes a classic Return of the Jedi duel with reactive lights and sounds. The box includes the Death Star throne room, an A‑wing, and the full SMART Play All‑In‑One kit (2 SMART Bricks, 3 SMART Minifigures, 5 SMART Tags, and a charger). Battery life is about 45 minutes per charge, and there’s a built‑in microphone that stays deactivated unless a future update—granted by your permission—turns it on.
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For Star Wars fans 9+ who want reactive, screen‑free play and a display piece in one box, and for families who like the idea of adding more SMART Play Compatible sets later.
Quick Facts
| Product type | Interactive LEGO building set |
|---|---|
| Brand | LEGO Star Wars |
| Model number | 75427 |
| ASIN (Amazon) | B0FMYVF9NB |
| Release year | 2026 |
| Age range (manufacturer) | 9+ |
| Piece count | 962 |
| In the box | 2 SMART Bricks, 3 SMART Minifigures, 5 SMART Tags, 1 charger, throne room scene, A‑wing, turret |
| Dimensions (throne room) | 5.5 in H × 19 in W × 11.5 in D (14 × 49 × 29 cm) |
| Battery life (SMART Brick) | About 45 minutes per charge |
| App support | LEGO SMART Assist app (setup, volume, updates) |
| Notable effect | Plays the Imperial March when Palpatine sits on the throne |
| Safety note | Toy produces flashes that may trigger epilepsy in sensitive individuals |
Product Overview
What it is: LEGO’s SMART Play Throne Room Duel & A‑Wing (set 75427) recreates the Return of the Jedi showdown, then layers in motion‑ and proximity‑responsive effects. As an All‑In‑One set, it includes two rechargeable SMART Bricks, three SMART Minifigures (Luke Skywalker, Darth Vader, Emperor Palpatine), five SMART Tags, and a charger. Expect lightsaber hums, blaster fire, engine roars, and the Imperial March when Palpatine is seated. The throne room build measures roughly 5.5 in (14 cm) high, 19 in (49 cm) wide, and 11.5 in (29 cm) deep. Total parts: 962. Recommended age: 9+.
How it plays: SMART Bricks recognize SMART Tags and SMART Minifigures and react as kids swoop the A‑wing or duel with the adjustable arms. Sounds and updates are managed with the optional LEGO SMART Assist app; the SMART Brick’s built‑in microphone remains deactivated until and unless a future update and explicit permission turn it on.
Important note: LEGO flags that this toy produces flashes that may trigger photosensitive epilepsy in some individuals.
Verified Product Details
- Two rechargeable SMART Bricks power reactive effects for duels, A‑wing flights, and turret action.
- Three SMART Minifigures—Luke Skywalker, Darth Vader, Emperor Palpatine—trigger character‑specific responses.
- Five SMART Tags switch behavior profiles for the A‑wing, throne, turret, and duel scenarios.
- Optional LEGO SMART Assist app for setup, sound levels, firmware updates, and troubleshooting.
- Audio highlights include “The Imperial March” in the throne sequence, plus lightsaber hums, blaster fire, and engine roar.
- Large, display‑friendly throne room (about 19 inches wide) with a swooshable A‑wing.
What Stands Out
- Truly All‑In‑One: everything for SMART Play is in the box—no extra electronics needed.
- Iconic scene brought to life with reactive audio that boosts role‑play without a screen.
- Works as a hub for future builds—add SMART Play Compatible sets later to extend effects.
Things to Consider
- Runtime is limited; plan for charging breaks during longer play.
- A deactivated microphone exists for potential future features; review app permissions before enabling anything.
- The wide footprint (about 19 inches) needs a stable shelf or table.
- LEGO warns of flashing effects that may affect photosensitive users.
Who This Product Is Best For
Builders who want a dramatic Star Wars display that also reacts during play; kids 9+ who prefer hands‑on action over app‑driven gameplay; gift‑givers aiming for a single set that’s complete now and expandable later.
What Buyers Should Consider
– Age & difficulty: Marked 9+ with a 962‑piece build—good for confident builders or a parent‑child team.
– What’s in the box: 2 SMART Bricks, 3 SMART Minifigures (Luke, Vader, Palpatine), 5 SMART Tags, charger, throne‑room scene, A‑wing starfighter, and a turret.
– Space check: The throne room is about 5.5″ H × 19″ W × 11.5″ D—plan a stable shelf or table.
– Power & runtime: SMART Bricks are rechargeable; battery life is approximately 45 minutes per charge. A charger is included.
– App use: The LEGO SMART Assist app helps with setup, sound levels, troubleshooting, and firmware updates. Play is still screen‑free during use.
– Privacy note: The SMART Brick has a deactivated microphone that cannot function without a firmware update and your permission.
– Safety: LEGO warns this toy produces flashes that may trigger epilepsy in sensitive individuals; follow the maker’s guidance.
– Expandability: Add SMART Play Compatible sets later to broaden interactions; All‑In‑One sets like this one provide the SMART Bricks you need.
– Gifting tip: To hit the ground running, pre‑charge the SMART Bricks so kids can hear the effects right after building.
Our Editorial Verdict
Looking for a single SMART Play set that’s ready to go? This one delivers the full sensor‑and‑sound package in a marquee Star Wars scene, with room to grow via compatible sets. The trade‑offs are a shortish play window per charge and the possibility that some capabilities depend on future app updates.
Product Video
Frequently Asked Questions
What ages is this set for?
LEGO marks set 75427 for ages 9 and up.
Do I need a phone or tablet for it to work?
No. The reactive play works without a screen. The optional LEGO SMART Assist app helps with setup, volume, and firmware updates.
What exactly comes in the box?
2 SMART Bricks, 3 SMART Minifigures (Luke, Vader, Palpatine), 5 SMART Tags, a charger, and the bricks to build the throne room, A‑wing, and a turret.
How long does the battery last?
LEGO lists approximately 45 minutes per charge for the SMART Brick.
Is there a microphone in the SMART Brick?
Yes, but it’s deactivated by default. It would only be enabled with a firmware update and your permission.
How big is the finished model?
The throne‑room section measures about 5.5 in (14 cm) high, 19 in (49 cm) wide, and 11.5 in (29 cm) deep.
Any safety warnings?
LEGO notes the toy produces flashes that may trigger epilepsy in sensitive individuals; review the maker’s guidance before play.
Can we expand the experience later?
Yes. This All‑In‑One set supplies the SMART Bricks, and you can add SMART Play Compatible sets to broaden the interactions.
Before You Buy
Product descriptions, configurations, seller details, prices, and availability can change. Confirm the current Amazon listing and make sure it matches the exact product described in this guide before purchasing.
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References
- SMART Play: Throne Room Duel & A‑Wing (75427) – LEGO product page
- Building instructions listing (9+, 962 pieces)
- LEGO SMART Play – how it works and app overview
- LEGO SMART Play – features article (app and components)
- Brickset database: 75427 Throne Room Duel & A‑wing
- Amazon product page (ASIN mapping)