LEGO Omnitrix | Official Omnitrix Accessories

★★★★★4.8/5· thousands of reviews

Our LEGO Omnitrix brings the iconic alien device to life with authentic brick-compatible construction. This buildable replica captures every detail of the legendary transformation watch, from the rotating faceplate to the signature green and black color scheme.

Designed for Ben 10 enthusiasts and creative builders alike, this set delivers hours of construction fun followed by impressive display value. Whether you’re recreating scenes from the series or designing your own alien adventures, the LEGO Omnitrix serves as the perfect centerpiece for any collection.

  • Fully brick-compatible with standard LEGO building systems
  • Rotating dial faceplate with detailed alien symbols
  • Adjustable wrist strap built from articulated brick segments
  • Authentic green and black color scheme matching the original design
  • Includes display stand for tabletop showcase
Fully brick-compatible with standard LEGO building systemsRotating dial faceplate with detailed alien symbolsAdjustable wrist strap built from articulated brick segmentsAuthentic green and black color scheme matching the original designIncludes display stand for tabletop showcase
Build quality
Everyday use
Value
Durability
Style

Brick Compatibility & Construction Details

Brick Compatibility & Construction Details

The lego omnitrix uses premium ABS plastic bricks that snap securely with all major building block systems. Every piece meets strict quality standards for clutch power, ensuring your build stays stable during play and display.

Rotating Dial Mechanism

The faceplate features a smooth-turning dial built from specialized turntable bricks. Eight alien symbols printed on flat tiles rotate beneath a transparent green cover plate, just like the watch from the series. The mechanism locks into position with a satisfying click, letting you select your transformation without pieces sliding out of place.


Assembly Process & Skill Level

Assembly Process & Skill Level

Our instruction manual breaks the lego omnitrix build into twelve numbered stages, starting with the core watch body and progressing outward to the strap segments. Color-coded diagrams highlight each new piece added at every step, making it easy to track your progress.

Intermediate builders typically complete assembly in 90-120 minutes. Younger builders may want adult assistance with the rotating dial mechanism, which requires precise alignment of turntable components. Advanced builders can customize the design by substituting alternate colors or adding their own detail tiles.


Display & Play Features

Display & Play Features

When mounted on its stand, the lego omnitrix tilts at a 25-degree angle for optimal viewing. The elevated position showcases the rotating dial and lets light catch the transparent green faceplate from any direction.

For wearable play, the articulated strap expands up to 7 inches in circumference. Hinge points allow the band to conform naturally to wrist contours without pinching or excessive pressure. A secure clasp mechanism built from modified plate pieces keeps the watch fastened during active play.


More Omnitrix-Compatible Builds

Omnitrix LED Light Module
Omnitrix LED Light Module
Battery-powered green LED insert that fits the center dial for glowing transformation effects
View Light Module →
Alien Force Minifigure Pack
Alien Force Minifigure Pack
Six brick-built alien forms including Four Arms, Heatblast, and XLR8 with accessories
See Alien Figures →
Omnitrix Storage Case
Omnitrix Storage Case
Protective carrying case with foam insert designed specifically for the LEGO Omnitrix build
View Storage Case →
Plumber Badge Building Set
Plumber Badge Building Set
Companion build kit featuring the official Plumber organization badge with display stand
See Badge Set →
Rust Bucket Micro Build
Rust Bucket Micro Build
Compact 150-piece recreation of Grandpa Max’s RV perfect for pairing with your Omnitrix
View Rust Bucket →
Ultimatrix Upgrade Kit
Ultimatrix Upgrade Kit
Expansion pack with silver and red bricks to convert your Omnitrix into the Ultimatrix design
View Upgrade Kit →

What people are saying

4.8
★★★★★
Based on verified reviews
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M
Marcus T.
Verified buyer
★★★★★
Perfect for my Ben 10 obsessed nephew
Bought this for my nephew’s 10th birthday and he hasn’t taken it off since finishing the build. The rotating dial works smoothly and all the pieces fit together perfectly. He loves wearing it around the house pretending to transform into different aliens.
J
Jessica K.
Verified buyer
★★★★★
Impressive detail for a brick build
I was skeptical about how accurate this would look, but the finished Omnitrix captures every detail I remember from the show. The green faceplate has just the right transparency and the alien symbols are printed clearly. It’s become the centerpiece of my collection shelf.
D
David R.
Verified buyer
★★★★★
Great quality construction set
The instruction booklet made assembly straightforward even for my 9-year-old who needed minimal help. All the bricks have that solid snap you expect from quality building blocks. The display stand is a nice touch we didn’t expect.
A
Amanda L.
Verified buyer
★★★★☆
Fun build with room for creativity
Took me about two hours to complete following the instructions. I appreciate the blank tiles for making custom alien symbols. Only minor issue is the strap feels slightly loose on my smaller wrist, but adding an extra connector piece solved that easily.
R
Robert C.
Verified buyer
★★★★★
Exceeded expectations for the price
I’ve built several character-themed brick sets and this Omnitrix ranks among my favorites. The rotating mechanism is engineered really well and doesn’t feel flimsy. My son and I both enjoyed the build process together.
P
Priya S.
Verified buyer
★★★★★
Perfect gift for collectors and kids
Ordered this as a surprise for my daughter who loves Ben 10. She was thrilled with how screen-accurate it looks. The adjustable strap means it actually fits her wrist comfortably, and when she’s done playing it looks fantastic on the display stand in her room.

Questions About the LEGO Omnitrix Set

We recommend this set for builders ages 8 and up. The 250-piece count and rotating dial mechanism require intermediate building skills. Younger children may enjoy the set with adult supervision, particularly during assembly of the faceplate’s turntable components.

The finished build contains small pieces, so it’s not suitable for children under 3 years old due to choking hazards.

The adjustable strap expands up to 7 inches in circumference, which accommodates most children’s wrists comfortably. Adults with smaller wrists may achieve a secure fit, though the design is primarily sized for ages 8-14.

For display purposes rather than wearing, the included stand works perfectly for collectors of any age who want to showcase the Omnitrix on a shelf or desk.

Yes, every brick in this set uses standard LEGO-compatible dimensions and clutch power. You can freely mix pieces from the Omnitrix with your existing building block collection, swap out colors for custom designs, or integrate it into larger creations.

The specialized turntable pieces for the rotating dial follow the same compatibility standards, so they’ll work with any turntable-compatible builds you already own.

Absolutely. We include eight pre-printed alien symbol tiles based on classic transformations from the series, plus six blank tiles for your own designs. Use permanent markers, paint pens, or printed stickers to create custom aliens.

The tiles pop out easily from the dial, so you can swap symbols whenever you want to change which aliens appear on your Omnitrix. This lets you recreate different versions from various series storylines.

The turntable mechanism uses precision-molded components that create a secure connection while still rotating smoothly. During testing, the dial completed thousands of rotations without loosening or developing play in the mechanism.

For active play sessions, we recommend rotating the dial gently rather than spinning it rapidly. This extends the longevity of the mechanism and keeps all pieces properly aligned.

Your set includes all 250 bricks needed for the Omnitrix build, components for the display stand, a detailed instruction booklet, and a resealable storage bag for spare pieces. You’ll also receive eight pre-printed alien symbol tiles plus six blank customization tiles.

The box features premium artwork suitable for gift-giving. We don’t include batteries, as this is a purely mechanical build—though our LED light module accessory adds powered effects if desired.

Contact our customer support team with your order number and the specific pieces you need. We provide free replacement parts for any components from this lego omnitrix set, covering everything from standard bricks to the specialized printed tiles.

Most replacement requests ship within 3-5 business days. We maintain full inventory of every piece to ensure your build stays complete for years of enjoyment.

Complete Your Omnitrix Collection
Explore LED upgrades, alien figures, and display accessories designed for your build