SKU: 18889282935

LEGO Technic App-Controlled Cat D11 Bulldozer 42131

$855.00 $950.00
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Description

LEGO Technic App-Controlled Cat D11 Bulldozer 42131LEGO Technic App Controlled Cat D11 Bulldozer 42131 Experience the ultimate in construction power and accuracy with the LEGO Technic App Controlled Cat D11 Bulldozer 42131, a cutting edge building set that honors one of the greatest machines ever conceived. Designed for adult builders and enthusiasts, this LEGO Technic masterpiece captures the power, maneuverability, and engineering expertise of the real Caterpillar D11. Featuring authentic details,

LEGO Technic App-Controlled Cat® D11 Bulldozer 42131

Experience the ultimate in construction power and accuracy with the LEGO Technic App-Controlled Cat D11 Bulldozer 42131, a cutting-edge building set that honors one of the greatest machines ever conceived. Designed for adult builders and enthusiasts, this LEGO Technic masterpiece captures the power, maneuverability, and engineering expertise of the real Caterpillar D11. Featuring authentic details, motorized functions, and smart app connection, it offers a full and rewarding build experience unlike anything else.

A Real Engineering Achievement

The LEGO Technic App-Controlled Cat D11 Bulldozer 42131 enables you to explore mechanical design on a grand scale. Built in modular pieces just as the real machine, the set is defined by great realism from its mighty tracks to its operational blade and ripper. The builder will enjoy the authenticity of the new-for-2021 Technic track element, which has the ability to loosen and tighten for realistic movement. Every detail, from the bold yellow and black color scheme to the Caterpillar logo — speaks to LEGO's attention to detail and commitment to authenticity.

This LEGO Technic bulldozer is powered by smart motors and hub that team up to bring it to life with the LEGO CONTROL+ app. Once you've built it, the experience changes from build to operate, where you'll have complete control over every movement of your model.

Smart App Control and Realistic Functions

Bring your LEGO Technic App-Controlled Cat D11 Bulldozer 42131 to life with the LEGO CONTROL+ app. Using your smartphone, operate, steer, and control the primary functions of the dozer. Raise, lower, and tilt the massive front blade, swing the ripper up and down, or shift the ladder — all with realistic, responding motion. Interactive feedback via the app gives a hands-on, virtual building experience that feels like handling the real one.

This LEGO Technic series includes two no.15 motors, two large motors, and one hub for precision-powered control (6 x AA batteries not included). 

Built to Display and Play

Standing over 10 inches (26 cm) high, 22 inches (57 cm) long, and 14.5 inches (37 cm) wide, the LEGO Technic App-Controlled Cat D11 Bulldozer 42131 is a commanding display piece. Its scale and accuracy make it perfect for showcasing on a desk, shelf, or collection display. Whether you’re fascinated by heavy machinery or passionate about mechanical builds, this model embodies the best of LEGO Technic innovation and realism.

Quality Engineering, Built to Last

Like all LEGO Technic sets, this set is constructed to the highest quality and safety standards. All components are engineered to endure for longevity, reliability, and flawless compatibility. The LEGO Technic App-Controlled Cat D11 Bulldozer 42131 comes with an challenging and very rewarding build process — a sheer delight of engineering skill and creativity.

Product Highlights

  • Brand: LEGO®
  • Model: LEGO Technic App-Controlled Cat® D11 Bulldozer 42131
  • Color: Yellow and Black
  • Pieces: 3,854
  • Features: App control, motorized blade and ripper, modular build, functional tracks
  • Motors: 2 no.15 motors, 2 large motors, 1 hub (batteries required)
  • Dimensions: 26 cm (H) × 57 cm (L) × 37 cm (W)
  • Age Recommendation: 18+

Shop LEGO® in Australia

Bring home the LEGO Technic App-Controlled Cat D11 Bulldozer 42131, now available only from Brick Island, your go-to LEGO shop in Australia.

Check out our complete collection of LEGO Technic for more intricate designs, advanced engineering models, and display sets for serious fans of all ages.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18889282935

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4.5 ★★★★★
Based on 6 reviews
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Product Reviews
C
CEAM
Battle Creek, US
★★★★★ 4
Tastes Great, But More General Wellness Than Targeted Feminine Support
I tend to prefer gummies over capsules whenever possible, so these Yalei 4-in-1 Nuora Feminine Balance Gummies caught my attention as a potential replacement for my usual women’s probiotic. The bottle contains 60 gummies (30 servings), with a formula centered around vitamin C, pineapple fruit powder, and Bacillus coagulans (1 billion CFU). The ingredient list is clean and clearly labeled, and I appreciated that it’s free from common allergens like soy, dairy, gluten, and tree nuts. The outer and inner tamper seals were intact. The manufacturing and expiration dates were also easy to read, which is something I always look for with supplements. Taste-wise, these are genuinely enjoyable. The pineapple flavor is pleasant, not overly artificial, and there’s no lingering aftertaste. The texture is firm without being sticky, which makes them easy to take daily. Honestly, these fall into that category where it’s tempting to eat more than the serving size. Where things became more nuanced for me was performance. I switched from a more targeted women’s probiotic that included specific Lactobacillus strains and additional D-mannose and cranberry support ingredients. Within about two weeks of making the swap, I experienced a UTI flare-up, which led me to go back to my previous formula. That experience made the difference in formulation stand out. My prior supplement included strains commonly associated with vaginal microbiome support along with additional complementary ingredients, whereas this product uses a single Bacillus-based probiotic strain. From my experience, this felt more like a general wellness probiotic gummy rather than something formulated for more targeted feminine health concerns. That doesn’t make it a bad product–it just depends on what you’re looking for. If your goal is a simple, good-tasting daily probiotic with light supportive ingredients, this fits that role well. If you’re specifically trying to maintain balance in more sensitive or recurring situations, you may want something more specialized. The brand also includes details like GMP manufacturing claims and batch testing which adds a layer of reassurance, though it does appear to be a newer brand. At its current lower price point, I do think it offers decent value for a general-use gummy. For me personally, though, I’ll be sticking with a more targeted formula moving forward.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
B
Brian J.
Grantham, US
★★★★★ 5
Probiotic fruit snacks
Disclaimer: vine review of an item I requested free* These taste great, just like fruit snacks. I've gotten a lot of gummies from this brand and haven't found a bad one yet. Pineapple isn't even a flavor I usually like, but these taste good. Somehow they're always sweet with no weird aftertaste without having added sugar. Not too sticky, it doesn't leave residue on your fingers, but they do sometimes stick together. Mainly I got these to have some fruit snacks to eat, but the probiotics are a nice bonus and now I can pretend I'm being healthy when I eat my candy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
K
Verified Purchase
kenzie
Fort Morgan, US
★★★★★ 5
Great matcha for a great price per oz!
Size: 16 Ounce (Pack of 1), Size: 16 Ounce (Pack of 1)
This is my second bag of this matcha. The value for the quantity and quality is unbeatable. I will continue to buy and use this every single day because I’m so happy with it. I use one scoop (they provide the scooper) and blend into a little warm water with some vanilla and maple syrup. Then add warm milk. Or pour milk over ice and matcha over top. Delicious! Just the right amount of energy with no crash.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
H
Verified Purchase
Hollie’s Honest Finds
Whiting, US
★★★★★ 5
Smooth, vibrant, and perfectly authentic matcha!
Size: 16 Ounce (Pack of 1)
This is my favorite matcha by far! It has that rich, deep green color and fresh aroma that tells you right away it’s high quality. The flavor is smooth, earthy, and authentic — exactly the taste I’ve always loved in traditional matcha. The bag is generous in size for the price, and my most recent order even came with a little scoop on top, which was such a thoughtful touch! I like to mix mine with milk and honey for a creamy, delicious latte, and it dissolves beautifully in hot water without clumping. I usually make about 12 ounces at a time using the scoop provided and drink it two or three times a day. It gives me calm, focused energy without any jitters — the perfect coffee alternative, especially now that I’m pregnant. Pure, unsweetened, and organic — it’s everything matcha should be. Highly recommend this brand! 🍵💚
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025
M
Verified Purchase
Meric Kuhn
Alexandria, US
★★★★★ 5
This is a better quality matcha than what is used at Starbucks!
Size: 32 Ounce (Pack of 1)
This product is better than the matcha powder mix used at Starbucks! Starbucks uses a 51% sugar mix with questionably sourced matcha/sencha making up the other 49%. It has no tea flavor as it's basically just sweetened milk. If you've come to matcha through the Starbucks lens, this is NOT that product. It's what you should be drinking instead! When I've tried to get matcha powder locally at the grocery store, I've not been able to find one that is the same quality as this in such a value size quantity. For size reference, I'm pretty sure this size bag could last one person 3mos even if they were drinking a matcha latte everyday. This matcha here packs a bolder flavor, a better boost of energy, and more mental clarity without the crash that you'd have from coffee. It is unsweetened, which gives you the freedom to make the final product (latte, smoothie, whatever) as sweet or unsweet as you like. The powder is ULTRA fine, and is about the consistency of powdered sugar. It dissolves wonderfully in a few ounces of the liquid of your choice (I prefer oatmilk), and it suspends very nicely and does not sink to the bottom when at rest for a few moments. All around highly recommend. Unless you're Japanese and have had that real good stuff and would know the difference, this is probably good enough for most people.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2024

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