For grown-ups

Heavy-Duty Excavator

42121

Description

Take on the toughest construction site challenges with this rugged LEGO® Technic Heavy-Duty Excavator. Check out the driver’s cabin, then rotate the body and move the arm just like on a real excavator. Raise and lower the shovel to transport the stones and use the 4 cones to mark out your route. Ready for an exciting new challenge? Rebuild your model into a cool tracked tractor with backhoe.

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Building Instructions

42121 Heavy-Duty Excavator

  • 42116

    LEGO® Technic

    Skid Steer Loader

    Get ready for a busy day on the construction site with the LEGO® Technic Skid Steer Loader. With 4 chunky wheels, this loader is ready for action. Lift and tip the bucket to scoop, just like on a real loader. Open the roll cage to find a driver’s cab with seat and control panel. From landscaping to roadworks, this machine keeps on going. When you’re ready for more, rebuild it into a cool Hot Rod.

    View Set
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    LEGO® Technic

    Police Interceptor

    Accelerate at breakneck speed with this awesome model, featuring a white, lime-green and black colour scheme with cool police stickers, huge extra-wide rims with low profile tires, red and blue police warning beacons and a heavy-duty bull bar. Activate the powerful pull-back motor to launch the rugged 4x4 styled Police Interceptor into action! Combine with the 42046 Getaway Racer pull-back for even more high-speed action!

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    LEGO® Technic

    Moto Cross Bike

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    LEGO® Technic

    24 Hours Race Car

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  • 42114

    LEGO® Technic

    6x6 Volvo Articulated Hauler

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  • 42008

    LEGO® Technic

    Service Truck

    When a vehicle is stranded, make the rescue with the heavy-duty LEGO® Technic Service Truck with tons of realistic powered functions. Activate the included LEGO Power Functions features to extend the rear outriggers or extend and raise the fully adjustable crane arm into position. Then lower the hook with the working winch, unfold the rear wheel lift and load a vehicle to tow. This awesome 2-in-1 Service Truck also features 8 wheels,4-wheel steering and hydraulic lifting element. It's just like the real thing! Rebuilds into a truck with a crane that can raise and lower, grabber, outriggers and detachable trailer.

  • 42115

    LEGO® Technic

    Lamborghini Sián FKP 37

    For pure escapism, nothing beats slipping behind the wheel of a top super sports car. Now you can recreate that feeling and take time out from everyday life with this stunning LEGO® Technic Lamborghini Sián FKP 37 building kit. Capturing the original car's visionary design, this 1:8 scale model is packed with a wealth of authentic details, bringing you closer than ever to the real thing.

  • 42032

    LEGO® Technic

    Compact Tracked Loader

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  • 42122

    LEGO® Technic

    Jeep® Wrangler

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  • 42119

    LEGO® Technic

    Monster Jam® Max-D®

    Get ready for victory in the Monster Jam® arena with this epic LEGO® Technic Monster Jam Max-D® set. Put Max-D to the test recreating the speed and stunts of one of the world’s greatest monster trucks. Check out Max-D’s famous wild look with spikes and fire graphics. Pull back to send the truck racing. When you’re ready to try something new, rebuild the truck into a cool quad bike.

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    LEGO® Technic

    Remote-Controlled VOLVO L350F Wheel Loader

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  • 42042

    LEGO® Technic

    Crawler Crane

    Make way for the powerful LEGO® Technic Crawler Crane! This huge, robust 2-in-1 model comes with an array of realistic details and exciting features. Activate the included Power Functions motor and use the joysticks to operate the boom, raise and lower the claw, rotate the superstructure and drive the huge caterpillar tracks that maneuver this mighty machine! Includes an authentic double winch and pulley system with extensive cabling, working claw, detailed cab with tilt function, exhaust pipe and a ventilation grill. You can also extend the boom for even greater height! A cool blue and white color scheme adds the finishing touch to this awesome model. Rebuilds into a huge Mobile Tower Crane!

LEGO® Technic Videos

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  • LEGO® Technic

    Tom Meents

  • LEGO® Technic

    Monster Jam® drag racer challenge

    What happens when you take one of the most legendary monster trucks of all time and turbocharge it to insane levels? You get this – an epic drag racer rebuilding of the LEGO® Technic Monster Jam® Grave Digger®! Featuring that same iconic black-and-green flame design, but with a sleek profile to hug the ground tightly as it reaches dangerous speeds, all held down by an awesome skull ‘n crossbones airfoil! Could you build a drag racer from your LEGO Technic set to challenge this speed demon?

  • LEGO® Technic

    Custom Jeep® Wrangler 6x6 build!

    Everyone knows that the LEGO® Technic Jeep® Wrangler is an all-time off-road legend. With its famous chunky tires, 4x4 handling and axle-articulation suspension system, there’s almost nowhere on earth it can’t go... almost! So we challenged LEGO fan The Brick Wall to take it to the next level – and the results are AWESOME. An incredible 6x6 radio-controlled custom rebuild, featuring working front headlights and heaps of other modifications! Check it out... and why not try making your own modified LEGO Technic vehicle!

  • LEGO® Technic

    LEGO Technic Vehicles TVC Build for real

  • LEGO® Technic

    Dennis McCarthy

  • LEGO® Technic

    Awesome Jeep® Wrangler trailer build

    Want to get a glimpse of the devastatingly cool LEGO® Technic Monster Jam® Max-D® in action? Check out this video from LEGO fan The Cool Factor. Watch as the Max-D comes to life and has its rough and rugged reputation put to the test with some brutal drops! There’s even an unexpected appearance from the epic LEGO Technic 42100 Liebherr R9800 Excavator! Which of your LEGO Technic collection would YOU most like to modify the Monster Jam Max-D with?

  • LEGO® Technic

    Milan Reindl

  • LEGO® Technic

    Monster Jam® Max-D® in action!

    Want to get a glimpse of the devastatingly cool LEGO® Technic Monster Jam® Max-D® in action? Check out this video from LEGO fan The Cool Factor. Watch as the Max-D comes to life and has its rough and rugged reputation put to the test with some brutal drops! There’s even an unexpected appearance from the epic LEGO Technic 42100 Liebherr R9800 Excavator! Which of your LEGO Technic collection would YOU most like to modify the Monster Jam Max-D with?

  • LEGO® Technic

    Mark Allen

  • LEGO® Technic

    WATCH: Custom Technic Ducati build!

    Have you ever sat there and wondered ... what would happen if you took an epic and iconic motorcycle like the LEGO® Technic Ducati Panigale V4 R and attempted to turn it into an equally epic mountain bike? Well … wonder no more because one LEGO fan did exactly that – taking apart this classic motorcycle and creating something totally new and original. Check out that sweeet suspension, and OMG – loving those Ducati red drop handlebars! Which cool, custom vehicle would you most like to create from your existing LEGO Technic sets?

LEGO® Technic

LEGO® Technic™ CONTROL+

Meet the most immersive play experience ever from LEGO® Technic: A richer way of controlling your vehicles through new electronic components and a free app for your smart device, working together to bring your play closer to how real-life vehicles function. CONTROL+ equals realistic multi-function control plus new awesome possibilities – like automation, authentic sounds, alternative ways of control, challenges and achievements and live data feedback from your model.