The Lego set Dragster with the set number 42103 is part of the LEGO Technic theme and is recommended for ages 7+. It was released in January 2020. The model has 225 pieces, and we estimate it takes around < 1 hour to build. 102 Brickfact users have this set in their collection.
The set weighs about 0.350 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.
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 $21.39.

Lego 42103 product data

Set Information

Set ID
42103
Theme
Pieces
225
Building Time
< 1 hour
Age Range
7+

Availability

Release
01/2020
Retiring Status
Retired (12/2021)

Price Information

RRP
$19.99
Insiders Points (for purchase at Lego)
130
Part Out Value
$21.39

Packaging

Weight
0.350 kg
Packaging dimensions
10.3 x 5.6 x 2.8 in
EAN (GTIN13)
5702016616422

Popularity with Brickfact users

users have this set
102

102 Brickfact users have Dragster in their collection.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 3, 2026.

LEGO 42103 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
$22.55
Growth vs. RRP
+12.8 % $19.99
Range
$16.92 – $22.66
Average
$19.26

Loading price history…

Official Set Description for LEGO 42103 Dragster

Give your little racing driver a cool challenge with this LEGO® Technic™ (42103) Dragster. They’ll love learning how to assemble their very own Dragster model kit. Once built, the fun goes on. Set up the mini traffic lights then pull back the toy car and release to send it zooming along. Action-packed LEGO gifts Kids will love the bold colors of this car. See the flames shooting from the exhaust, just like a real dragster! And with this 2-in-1 set, kids can develop problem-solving skills, rebuilding the drag racing toy into an ace pull-back Hot Rod. Which is their favourite? The wheelie-performing Dragster or the super-cool Hot Rod? Learn and play with this cool engineering toy The LEGO Technic universe offers advanced building toys for young LEGO fans ready for their next building challenge. Printed instructions are included. Or to discover a fun new way to build the model drag car, see the digital Instructions PLUS, from the free LEGO Life app. With zoom and rotate tools, this cool app helps kids build independently.
  • It’s always race day with this 2-in-1 Dragster that rebuilds into a cool Hot Rod. This pull-back toy car is really easy for kids to power – see how fast it speeds along!
  • Kids can learn how a dragster works. Then lock in the wheelie bar to perform heart-pumping wheelies – or keep on the ground to attempt the speed record. Use the toy traffic light accessory to get play started.
  • Pull back and release. It really is that simple! Even young racers will be able to recreate the thrill and speed of race day. Ready for a new challenge? Kids can rebuild their Dragster into a pull-back LEGO® Hot Rod.
  • Looking for fun toys for kids aged 7 and up? This LEGO® Technic™ (42103) set makes a great gift idea for LEGO fans, race car toy lovers or anyone who loves a building challenge.
  • When built, the LEGO® Dragster measures over 12” (32cm) long, 4” (12cm) high and 3” (10cm) wide, making this building toy just the right size for race-day role-play.
  • It's got speed but amazingly, this set doesn't need batteries. Everything is powered purely through the pull-back motor, so play can start right away.
  • Every LEGO® set comes with printed instructions. And this set also comes with digital Instructions PLUS, available in the free LEGO Life app for smartphones and tablets.
  • LEGO® Technic™ sets feature realistic movement and mechanisms, introducing young LEGO builders to the universe of engineering in an approachable and realistic way.
  • Designed to the highest industry standards, LEGO® Technic™ plastic model kits are consistent; connecting easily every time.
  • LEGO® Technic™ pieces are thoroughly tested to make sure every building set meets the highest global safety and quality standards.

Building Instruction for LEGO 42103 Dragster

LEGO 42103 Frequently Asked Questions

Is LEGO 42103 still available?
LEGO has retired 42103 Dragster, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $22.55.
Disclaimer

Brickfact may earn a commission when you buy through a merchant link. Commissions do not determine the order of offers.

LEGO® is a trademark of the LEGO Group, but this website is not sponsored, authorized or endorsed by them.
As an Amazon partner, we earn money on qualified sales that you make through links to Amazon on our website. The price for you remains the same, but you support this project ❤️ .
© 2026 Brickfact. All Rights Reserved