Search  for anything...

LEGO Technic 4x4 Mercedes-Benz Zetros Trial Truck 42129 Building Kit; Explore A Powerful App-Controlled Toy Truck; New 2021 (2,110 Pieces)

  • Based on 638 reviews
Condition: New
Checking for the best price...
$284.99 Why this price?
Save $15.00 was $299.99

Buy Now, Pay Later


As low as $47.50 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: 19 left in stock
Fulfilled by Ally U.S. Trading

Arrives Sunday, May 24
Order within 8 hours and 6 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • Plastic
  • Fans of construction toys will love building their own model version of the Mercedes-Benz Zetros Trial Truck. Check out all its awesome functions using the LEGO Technic CONTROL+ app
  • This LEGO Technic 4x4 Mercedes-Benz Zetros Trial Truck (42129) model is packed with authentic details like working suspension on all 4 wheels, a detailed gearbox and differential locking
  • Realistic design features include race themed stickers plus 2 fire extinguishers. Use the flags to create an obstacle course and test the trucks skills across different terrains
  • This is a great set for adults and kids aged 12 and up to enjoy together. Its also an awesome toy for young LEGO builders looking for a challenging building experience
  • The toy truck model measures over 8 in. (21 cm) high, 19 in. (48 cm) long and 7 in. (19 cm) wide

Description

Anyone who loves powerful toy trucks and construction toys will have lots of fun building this LEGO Technic 4x4 Mercedes-Benz Zetros Trial Truck (42129) model. Packed with realistic features, this truck toy offers an engaging build for adults and kids aged 12 and up. Open the cab doors and hood. Check out the working suspension on all 4 wheels and open the service hatch to inspect the gearbox. The model also features a detailed engine with spinning radiator fan. In a first for LEGO Technic, this model has differential locking. Lock and unlock the differentials using the app to maneuver the truck over rough terrain. With this model, the build is just the start. Use the CONTROL+ app to put this mighty machine to the test. Use the different control screens to steer and operate the differential locking. With challenges and achievements in the app, there are so many ways to play.

Brand Name: LEGO


Manufacturer Minimum Age (MONTHS): 144.0


Sub Brand: Mercedes-Benz


Model Name: App-Controlled 4x4 Mercedes-Benz Zetros Trial Truck 42129


Model Number: 42129


Age Range Description: 12 min99 max


Manufacturer Maximum Age (MONTHS): 1200.0


UPC: 673419340359 673419363471


Global Trade Identification Number: 59, 71


Target Audience: men


Manufacturer Part Number: 6332752


Model Year: 2021


Included Components: LEGO Building Elements


Item Type Name: Building Kit


Manufacturer: LEGO


Unit Count: 2110.0 Count


Color: Multicolor


Theme: Cars & Trucks


Subject Character: Mercedes-benz


Number of Pieces: 2110


Item Dimensions: 3.58 x 22.91 x 18.9 inches


Item Weight: 3226 Grams


Size: ys/m


Educational Objective: Creative Thinking


Additional Features: Battery Operated


Toy Building Block Type: Interlocking Toy Building Block


Is Assembly Required: No


Operation Mode: Automatic


Number of Players: 1


Number of Batteries: 6 AA batteries required. (included)


Power Source: Battery Powered


Supported Battery Types: AA


Material Type: Plastic


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Fun to Built.
Style: 2022 Standard Packaging Pattern Name: Single
Fun to built. Brings out the kid in me.
Reviewed in the United States on November 19, 2025 by Amazon Customer

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...