Light Kit for Heavy-Duty Excavator 42121

Rated 5.0 out of 5
Based on 1 review
2 Years
1 Business Day
3-12 Days
Instructions Both PDF
and Online


Show how passionate you are as a contractor by building the LEGO Heavy-Duty Excavator 42121 set. It grants you the opportunity to recreate a super construction set. Install our LEGO Lights to this set and enhance its appearance.

Magnificent details

From all the parts seen, it can be observed that the model is very detailed for all to see.

Glittering lights

Looking from afar you can see how stunning this piece looks because of the wonderful lights with the piece.

The incredible gift

Let someone's days light up with joy as you give this piece to them, this piece is great for young and old.

Embark upon your stories

Make thrilling stories with this beautiful model as you construct and use this piece.

Make you creatively soar

Construct this amazing model, and enhance your creative skills with this marvelous piece.

Gorgeous design

The essential style of this piece is both simple and stylish at some time, making the design so glamorous.

What’s included

Classic Version

Original Game of
Bricks Box
Battery Box
Instruction Both PDF
and Online

About Game of Bricks

Game of Bricks makes it a point of duty to provide you with the best LEGO lights for your sets customization. Quality of LEGO Light Kits is our speciality. This set is a light kit only. Model is not included.

Readers Section

The exclusive features of this LEGO Heavy-Duty Excavator 42121 model make it look like the actual construction machine, including the 360° rotating body, belt tracks, and more. If you are looking for an engaging role play, you can opt for this LEGO 42121 Heavy-Duty Excavator set. You can lower and raise the shovel to transport stones, and you can even rebuild this excavator into a tracked tractor with a backhoe. Building this set makes you feel like an actual contractor. Take your construction skills to a new level by building the LEGO Heavy-Duty Excavator 42121 set. Make it come to life with our amazing LEGO LED Lights.


After your order has been confirmed, you can expect to have it delivered to you soon enough as our dispatching time is between 1-3 business days (usually it is just 1 business days).

During busy periods dispatching time can take up to 8 business days. (examples: Black Friday days / Christmas time)

We offer free shipping worldwide. Delivery time to most countries takes from 3-12 business days.


Our lights kits are backed by free support for 2 years after purchase. We offer free shipping in the first year, but in the second year, you will have to pay a 5 euro shipping fee.


You may return most new, unopened, or damaged items within 30 days of delivery for a full refund.


We would like to let you know that we sell only lights for LEGO sets. We have specially-built lights to beautify and bring your LEGO creations to life.

LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this site.