- Recreate the thrills of the race track with this action-packed pull-back Race Truck. Perfect for kids who love racing toys, it rebuilds into a 2-in-1 Racer for a new building challenge.
- Young LEGO® builders will love developing their problem-solving skills as they create this LEGO Technic™ (42104) truck. Build, race, then rebuild the 2-in-1 model for even more fun.
- Creating speed is easy with the truck's pull-back and release action. Race Truck features include a big exhaust, huge spoiler and jaw-dropping color scheme to delight car fans.
- Looking for the best gifts for a truck-loving child aged 7+? Well, if they love to build and are ready for a new challenge, this is a great choice.
- When built, the toy truck measures over 6” (17cm) long, 3” (8cm) high and 3” (9cm) wide, making it the perfect size for racing and role-play.
- Cleverly powered using the pull-back motor, this racing truck doesn't require batteries, so the action starts straightaway!
- Printed instructionsare included, so it’s easy for young builders to get started. This LEGO Technic™ truck also features digital Instructions PLUS, available in the free LEGO Life app for smartphones and tablets.
- Introduce youngsters to a world of building fun with LEGO® Technic™ sets. With awesome vehicle designs and cool functions, the fun goes on long after the model is built with these unique toys.
- LEGO® toy building sets meet the highest industry standards, which ensures these fun toys connect easily every time – it’s been that way since 1958.
- LEGO® Technic™ building kits are thoroughly tested to make sure every building set meets the highest global safety and quality standards.
LEGO® Technic 42104 Race Truck
Current best price
LEGO 42104 is currently available from $59.69 incl. shipping at Walmart.com. Only one retailer in our comparison stocks it.
Updated November 3, 2026 at 10:00 PM EST
LEGO 42104 price comparison: where is it cheapest?
Prices incl. shipping to the US ·
Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers. How Brickfact compares prices
iFurther information
The Lego set Race Truck with the set number 42104 is part of the LEGO Technic theme and is recommended for ages 7+. It was released in January 2020. The model has 227 pieces, and we estimate it takes around < 1 hour to build. It was designed by Milan Reindl.64 Brickfact users have this set in their collection.
The set weighs about 0.356 kg. The box measures 10.3 x 5.6 x 2.8 in (26.2 x 14.1 x 7.2 cm). The recommended retail price is $19.99.
Our Brickfact Lego price comparison compares the prices of 1 shop for this set. It is currently cheapest at Walmart.com for $59.69 including shipping. That is $0.26 per piece. Unfortunately, the set is currently not available below its recommended retail price.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $22.93.
Lego 42104 product data
Set Information
Availability
Release
01/2020
Retiring Status
Retired (12/2020)
Price Information
RRP
$19.99
Insiders Points (for purchase at Lego)
130
Part Out Value
$22.93
Packaging
Weight
0.356 kg
Packaging dimensions
10.3 x 5.6 x 2.8 in
EAN (GTIN13)
5702016616439
Popularity with Brickfact users
- users have this set
- 64
64 Brickfact users have Race Truck in their collection.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 3, 2026.
LEGO 42104 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- $27.58
- Growth vs. RRP
- +38.0 % $19.99
- Range
- $22.04 – $29.49
- Average
- $26.75
Loading price history…
LEGO 42104 price history: how has the price changed?
Brickfact has been recording retailer prices since 10/12/2026. Best price so far: $59.69 (3 days ago).
- Current best price
- $59.69 +199% vs. RRP
- Best price since 10/12/2026
- $59.69 +199% vs. RRP · 3 days ago
Daily lowest prices at the tracked shops, including shipping. Gaps indicate days with no recorded price. The table lists each shop’s lowest price.
Lowest price per retailer (since 10/12/2026)
| Retailer | Current | Lowest price | Date |
|---|---|---|---|
 Walmart.com | $59.69 | $59.69 | 11/04/26 |
Lowest price per day that Brickfact recorded at the retailers in the price comparison, including shipping where known – as in the comparison above. Amazon offers are not included in the price history.
Official Set Description for LEGO 42104 Race Truck
A fantastic model truck for kids who love action toys. Your little racing driver will enjoy building this LEGO® Technic™ (42104) Race Truck. And that’s just the start! Once built, pull back then watch the truck speed towards the finish line, recreating the thrills of a real race day.
Awesome toy truck set for racing adventures
This model truck is sure to capture the imagination of young car fans. A huge exhaust and giant spoiler, plus opening doors and hood offer plenty role-play options for kids. And that’s not all! With this 2-in-1 plastic model kit, kids can rebuild the truck into a cool Racer, giving them even more opportunity to develop their new building skills.
Engineering toys to fire young imaginations
LEGO Technic is ideal for building fans who want a challenging build with models packed with realistic features. Each set comes with printed instructions, but this set also has digital Instructions PLUS. Available in the free LEGO Life app, with zoom and rotate viewing,giving builders a sense of achievement.
Building Instruction for LEGO 42104 Race Truck
Part Lists for LEGO 42104 Race Truck
LEGO 42104 Frequently Asked Questions
How much does LEGO 42104 Race Truck cost?
The lowest price in the Brickfact price comparison is currently $59.69 incl. shipping at Walmart.com. The RRP is $19.99.
Where can I buy LEGO 42104 cheapest?
Only one retailer in the Brickfact price comparison currently stocks LEGO 42104: Walmart.com ($59.69).
Is LEGO 42104 still available?
LEGO has retired 42104 Race Truck. New copies are still available at 1 retailers in our price comparison while stocks last.
When was LEGO 42104 cheapest?
Since tracking began on 10/12/2026, the lowest shop price recorded by Brickfact for LEGO 42104 was $59.69 on 11/01/2026 at Walmart.com, including shipping. Amazon prices are not included.
