Dragster
42103-1 Technic 2020 225 parts 1.4% catalog rarity Easy
Experience racing, zooming, and wheelie-performing fun with the LEGO Technic Dragster (42103). Assemble your very own Dragster model, then set up the mini traffic lights. Pull back the toy car and release to send it zooming along, performing epic wheelies. This action-packed set features bold colors and flames shooting from the exhaust, just like a real dragster! Develop problem-solving skills with this versatile 2-in-1 build. Rebuild the drag racing toy into an ace pull-back Hot Rod. Which is your favourite: the wheelie-performing Dragster or the super-cool Hot Rod? It’s always race day with this engineering toy!
Parts Inventory
Showing the first 12 rows of the parts list (225 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 2× | €0,29 | |
| 3× | €0,38 | |
| 3× | €0,38 | |
| 1× | €7,73 | |
| 1× | €1,13 | |
| 2× | €0,08 | |
| 4× | €0,05 | |
| 4× | €0,07 | |
| 2× | €0,13 | |
| 1× | €0,11 | |
| 12× | Check price → View | |
| 2× | €0,38 |
Catalog rarity
How common are the parts in Dragster?
1 of 69 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.
Theme average
6.5%
All sets
6.7%
Least common in our catalog
More Technic sets
Browse more LEGO Technic sets related to Dragster, including models from 2020 and other sets in the same theme.
Build DNA
Parts inventory insights for Dragster
225 pieces puts this build -65% against the average Technic set and -50% against the average 2020 release.

Vs average Technic set
Average Technic set: 652 pieces across 454 other sets.
Vs average 2020 set
Average 2020 set: 449 pieces across 450 other sets.
Color profile
Dominant color
Black
Unique parts
3.5 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
32xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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