Light Kit for LEGO® Technic Liebherr R 9800 Excavator #42100

LED Light Kit for #42100

59,99 €

In stock

Version Classic Remote

Earn points with BMB Insider

Learn more

Free standard shipping from 80 EUR after discounts

Delivery and returns

Your guide to lighting this set

Assembly instructions

Features

Liebherr R 9800 Excavator: Your build

Choose a LEGO® Liebherr R 9800 Excavator light kit #42100 for the model you love seeing at home. The pleasure of building returns when you look at the model and its mechanical lines. Compare this version’s photos with the display you picture at home. Look at the machine’s structure and the volumes of its build from your usual viewing place. A favourite build can become part of the time you spend relaxing at home. Reserve a corner for the model in your display of mechanical models.

Your story on the shelf
Your build finds another moment in your evenings. The pleasure of building continues in the way you display the model. The last brick was only the start of enjoying this model.
A place for more: #42100
Your Technic collection can grow around the shapes and mechanisms that interest you. Before ordering, match #42100 to the model you own.
Details: #42100
Enjoy another look at the machine’s structure and the volumes of its build after the final brick. Look at the whole model, then the details, when comparing the kit views.
A personal gift #42100
A thoughtful gift starts with the model they have chosen to display. Keep a place for your model in your collection. Read the stages for the reference as you prepare your choice.
Before fitting #42100
Leave the connections accessible in the display you are planning. Plan your workspace around the model. The BMB instructions page is a starting point for finding your guide.
Your own view #42100
Look at the model from the place where you enjoy pausing in the evening. Leave access to the connection for the model in your display. Look at the model in the setting of your room.

Pick Your Version

Select the option that matches your display preferences and lighting needs.

Set it once. Leave it glowing.

For the build that's found its shelf and isn't moving again.

Battery Box – compact 3×AAA unit (batteries not included)
Full LED set, tuned to this model
Custom effects, pre-programmed for this build
Precision spotlights on the details worth staring at
PDF manual and video guide

Flick it on when you walk in. That's the whole ritual.

Liebherr R 9800 Excavator: Which model will come next?

Explore the LEGO® Liebherr R 9800 Excavator LED light kit #42100 and picture its place in your collection. The set number is your starting point when choosing a light kit. A scene to revisit from your usual viewing position.

You gave this build a place in your home; now picture it as evening arrives. Arrange the model with pieces you enjoy seeing alongside it. You know the machine’s structure and the volumes of its build from building the model.

Find your kit instructions before beginning the installation. Find #42100 on your model information before choosing the version. Plan connection access as you choose the display position.

Your collection sets the scene. Your LED light kit gives you another reason to pause by the model. Prepare your workspace, then check access around the machine and the parts you want to keep accessible.

Explore Technic light kits, the light kit for ™ Volvo FMX Truck & EC230 Electric Excavator #42175 and BMB kit instructions.

About

Bright My Bricks

Transform your finished build into a true display piece with a Bright My Bricks LED light kit. Designed specifically for this LEGO set, our kit delivers precise, warm illumination that highlights every detail. Note: you are purchasing the lighting kit only; the LEGO set itself is sold separately

Instructions

Every kit ships with a printed quick-start card, a full PDF manual and a step-by-step video. Here is the shape of the job before you open the bag.

Step 1: Unpack and check
Build the LEGO® set first — lighting a half-finished model means taking it apart again. Lay every component out against the parts list before you start: a missing piece found now costs five minutes, found mid-install it costs the session.
Step 2: Position your LED lights
Each LED goes in a spot the guide names. Thread the wire between bricks as you go rather than at the end — routing is the one step worth taking slowly, and it is what separates a kit you notice from one you do not.
Step 3: Wire your power system
Seat each cable in its module. Present the connector square and push gently; if it resists, back off and realign rather than forcing it. A forced connector is the one thing that bends a pin.
Step 4: Power up and check
Test everything before you close it up. Confirm each LED lights, then hide any wire that shows. A dead connection found now is trivial; found once the set is sealed, it is not.
Step 5: Perfect your display
Tuck the last of the wire out of sight and put the set where it belongs. Installed as directed, the build looks untouched — until you switch it on.

The last step isn't in this guide. It's the evening you finish, turn the room lights off, and watch something you spent weeks on hold its own glow. That is the moment the kit was built for.

Customer Reviews

FAQs

Do I need any special skills or tools?

No. If you can build the set, you can light it. Everything is plug-and-play — no soldering, no wiring knowledge, no tools beyond your hands. The manual walks each step with photos.

Do I have to take my set apart?

Rarely more than partially. You'll lift a few plates and open a few sections to route wire and seat LEDs. The guide tells you exactly which ones, zone by zone, so you're never guessing.

How is the kit powered?

Two options, both included in the design: a battery module (3×AAA, batteries not supplied) for sets you move around, or USB into any power bank, wall adapter or computer for a display that stays lit.

Will the wires show?

Not once installed as directed. The wire is flat ribbon, thin enough to run under a plate or between studs without breaking clutch. Routing is the one part of installation worth taking slowly — done properly, the set looks untouched.

Is it safe for my bricks?

Yes. The whole system runs at 5V with micro-LEDs that don't heat up, so there's nothing to warp, melt or discolour. Components are tested against international safety standards, and nothing in the kit modifies or marks a brick — the installation is fully reversible.

What if a part is missing or faulty?

Use our Faulty Component Request page and we'll send a replacement. Two-year cover, in line with EU consumer law.