Star Wars

AT-ST Attack on Endor

A scrappy little Endor skirmish with a marketing string attached.

Brick Rated Score

3.4/5

Set 75424 · 2026

Pieces347

Minifigs3

Year2026

Set number75424

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The verdict

I love that this set gives you the AT-ST head-turn and dual shooters going up against a hijacked speeder bike, that push and pull is the whole heart of the Endor battle and it's fun to act out on a shelf.

What stops me from gushing is the SMART Play label plastered on the box when the actual SMART brick, the thing that makes the lights and engine sounds happen, isn't in here at all, you need one of three pricier sets just to open up it. Pay full price for a 347 piece set and you're still an accessory purchase away from what the packaging is selling you. If you already own a SMART brick set or just want a solid little Endor skirmish and don't care about the tech gimmick, it's a good time. If you're expecting the sounds and lights from the box art, wait and read the fine print first.

Best for: Endor battle fans who already own a SMART brick set, or kids who want a quick vehicle-versus-speeder standoff

The full review

What it is

This one is built around a scene I've always liked from Return of the Jedi, the AT-ST getting outmaneuvered on the forest floor by scrappy Rebels on speeder bikes. LEGO leans into that here, the walker's head swivels, it's got a dual stud shooter and a flick shooter, and there's a hijacked speeder bike included so you can actually stage the chase. That part of it works, it's a small scene but a satisfying one to build and play with, and having a Scout Trooper and AT-ST Driver alongside Wicket the Ewok covers the whole cast of that Endor skirmish in one box.

The catch

Here's where I have to be honest with you though. This set is part of LEGO's new SMART Play line, and the box wears that badge proudly, but the SMART brick itself, the piece that actually gives you motion-activated engine noise and laser sound effects, isn't included. You need to already own (or separately buy) one of three other sets, the TIE Fighter, the X-wing, or the Throne Room set, to open up what this box is advertising. Reviewers who tested the full SMART experience also weren't thrilled with the sound quality, describing the minifig speech as more mumbled babble than actual dialogue. At close to fifty dollars for 347 pieces, that's a rough value proposition if the tech is the reason you're buying in.

Who it's for

If you're a parent or a younger builder who just wants a fun little AT-ST versus speeder scene and doesn't care one bit about the SMART features, this is a perfectly enjoyable afternoon build with good play value. If you already have a SMART brick from another set, this becomes a nice expansion. But if you're buying it specifically for the lights-and-sound experience promised on the packaging, know going in that you're paying twice to get there, and I'd rather you spend that second purchase knowingly than feel misled at unboxing.

What works

The AT-ST's head turn and dual stud shooter plus flick shooter against the speeder bike make for genuinely playable Endor combat
Three unique minifigures including a SMART-enabled Wicket, and the minifig value alone runs close to the set's price
Compact build makes a nice quick project or gateway set for a younger builder into the Endor side of Return of the Jedi

Worth knowing

SMART Play branding is on the box but the SMART brick that actually powers lights and sound is sold separately in different sets
Reviewers flagged the SMART minifig sound effects as garbled babbling rather than clear dialogue, which feels cheap for the price
At around fifty dollars for 347 pieces, older builders and enthusiasts have called out the value as thin once you strip away the SMART tie-in

Sold? Grab it.

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The parts story

What the build is actually like, and the pieces worth knowing about.

It's a small, fast build, which honestly suits the scene it's recreating, this isn't meant to be a marathon set. The AT-ST's legs and swiveling head mechanism are the mechanical heart of it, and getting that head-turn action to feel satisfying while keeping the silhouette recognizable is the real design trick here. The speeder bike is simple but reads well, and having an opposing vehicle in the box rather than just the walker on its own is what makes this feel like a scene instead of a single model.

For a 347 piece set, the minifigure lineup is doing a lot of the value lifting, all three are unique to this release, and Wicket in his SMART-tag configuration is the one collectors will want for the archive even if they never touch the SMART brick ecosystem. The Scout Trooper here is the same mold that's been in circulation since 2019, so nothing new there, but the AT-ST Driver rounds things out fine. Piece count wise you're not getting a deep parts pack, this is a scene-and-minifigs set more than a parts-lot set, so buy it for the Endor moment and the figures, not for rare new molds.

Fun facts

01The set recreates the AT-ST versus speeder bike chase from Return of the Jedi's forest moon of Endor, one of the most replayed action beats in the original trilogy
02It's part of LEGO's new SMART Play system launched in 2026, but the SMART brick that powers the interactive sounds and lights only comes in three other sets: 75421 Darth Vader's TIE Fighter, 75423 Luke's Red Five X-wing, and 75427 Throne Room Duel & A-wing
03The included Wicket minifigure is a SMART-tagged figure meant to trigger character sounds when placed near a SMART brick, while the AT-ST Driver and Scout Trooper are standard figures, with the Scout Trooper mold dating back to 2019
04Estimates put the combined secondary-market value of the three minifigures at roughly 79 percent of the set's retail price, making the figures the strongest value argument for picking it up