LEGO. Technic. McLaren Senna GTR. 42123

McLaren Senna GTR 42123

• Piece Count: 830
• Released in: 2021
• Age Recommendation: 10+
• Minifigures: N/A
  
  

Ready, set, posh! The LEGO Technic McLaren Senna GTR (42123) is a sleek, collector-approved supercar build that brings the famed track-only McLaren Senna GTR to life with precision and flair.

Highlights

• 830-piece Technic build featuring authentic design and engineering 

• Functional V8 engine with moving pistons—because detail matters 

• Iconic dihedral (butterfly) doors that open dramatically, just like the real car 

• Steering function—turn the wheel, steer the wheels 

• Styled in striking blue and silver livery, capturing the GTR’s race-ready aesthetic 

• Final model length is around 32 cm (12″)—a compact yet detailed display piece 

Why You’ll Love It

Whether you’re a young builder or an adult fan of LEGO Technic and performance cars, this set offers both a rewarding build and a stand-out display. It’s rich in mechanical features yet approachable in scale and complexity.

This set has been built to check completeness and comes with the Brick Evolution parts guarantee.