- 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.
Lego® Technic 42103 Dragster
Current best price
LEGO 42103 is currently available from £20.99 incl. shipping at eBay. 2 retailers compared.
Updated 3 November 2026 at 22:52
Lego 42103 price comparison: where is it cheapest?
Prices incl. shipping to the UK ·
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Lego 42103 product data
Set Information
Availability
Price Information
Packaging
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 3 November 2026.
Lego 42103 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- £16.82
- Growth vs. RRP
- −6.5 % £17.99
- Range
- £12.62 – £16.90
- Average
- £14.36
Loading price history…
Lego 42103 price history: how has the price changed?
Brickfact has been recording retailer prices since 24/10/2026. Best price so far: £20.99 (10 days ago).
- Current best price
- £20.99 +17% vs. RRP
- Best price since 24/10/2026
- £20.99 +17% vs. RRP · 10 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 24/10/2026)
| Retailer | Current | Lowest price | Date |
|---|---|---|---|
| £20.99 | £20.99 | 03/11/26 |
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.

























