App-Controlled Top Gear Rally Car
42109-1 Technic 2020 463 parts 2.1% catalog rarity Intermediate
The LEGO Technic 42109 App-Controlled Top Gear Rally Car brings the high-octane world of BBC Top Gear racing to life. Builders construct a detailed rally car model, then experience dynamic driving challenges using the advanced LEGO Technic CONTROL+ App. Powered by a smart hub, the app enables super-precise movements including steering, acceleration, braking, and tackling obstacles, simulating the driving style of the legendary Stig. Drivers receive real-time feedback with a speed and tilt log, enhancing the realistic rally experience. The app also offers authentic sound effects and various control screens for endless play combinations, alongside racing challenges and inspirational videos for further engagement. This set presents an advanced engineering build, focusing on functional mechanisms and responsive digital interaction.
42109-1
3D build progress
Log in to see your parts
Loading 3D model
Parts Inventory
Showing the first 12 rows of the parts list (463 pieces in total). The full list loads automatically.
| Part | Qty | LEGO price each |
|---|---|---|
| 15× | €0,29 | |
| 2× | €0,06 | |
| 3× | €0,38 | |
| 3× | €0,38 | |
| 4× | €1,00 | |
| 1× | €0,21 | |
| 4× | €0,07 | |
| 2× | €2,71 | |
| 2× | €1,13 | |
| 4× | €0,08 | |
| 2× | €0,05 | |
| 7× | €0,05 |
Catalog rarity
How common are the parts in App-Controlled Top Gear Rally Car?
2 of 95 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 App-Controlled Top Gear Rally Car, including models from 2020 and other sets in the same theme.
Build DNA
Parts inventory insights for App-Controlled Top Gear Rally Car
463 pieces puts this build -29% against the average Technic set and +3% 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: 448 pieces across 450 other sets.
Color profile
Dominant color
Black
Unique parts
5.3 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin with Friction Ridges Lengthwise and Center Slots
95xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
This site is not affiliated with or endorsed by the LEGO Group.