Description
The LEGO Technic App-Controlled Top Gear Rally Car (42109) is a 463-piece motorized building set released in 2020 that blends traditional LEGO engineering with smartphone-operated remote control capabilities. [1, 2, 3]
Key Specifications
- Part Count: 463 pieces.
- Age Recommendation: 9 years and older.
- Dimensions: Measures over 10” (26cm) long, 3” (10cm) high, and 5” (14cm) wide.
- Power Requirements: Requires 6 x AA 1.5V batteries (not included) inserted into the hub to utilize the smart play features. [1, 2, 3]
Motorized & App Features
- Smart Integration: Driven via an advanced Smart Hub and powered by 1 Large (L) motor and 1 Extra Large (XL) motor. [1, 2]
- Control Platform: Operates using the LEGO Technic CONTROL+ App over Bluetooth connection, completely replacing the need for a separate physical remote control. [1, 2]
- Drive Interface: Offers alternative driving screens that enable users to go forward, reverse, steer, accelerate, brake, and play realistic sound effects. [1, 2]
- Real-Time Data: Provides live feedback through the app, including a speed sensor log, tilt log, and built-in racing challenges with unlockable achievements. [1]
Design & Mechanics
- Top Gear Branding: Features licensed decals inspired by the BBC show, including visual nods to the show's anonymous racing driver, "The Stig". [1, 2]
- Unique Elements: Features specialized machinery parts including a new red 28-tooth double bevel gear and a specialized gear differential housing. [1]
- Interactive Parts: Built without opening side doors to leave adequate room for inner wiring and hardware, but features a small opening hood displaying a mock engine build. [1]