LEGO Set

McLaren Senna GTR

42123-1

Released: 2021 · Parts: 830 · Theme: Technic

McLaren Senna GTR (42123-1) is a Technic LEGO set released in 2021 with 830 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 131 unique part types.

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Buying checklist

Quick context before you buy this set used or verify a marketplace listing.

Release year

2021 (5 years ago — may be retired)
Catalog scale

830 parts listed · 131 inventory lines tracked
Minifigures

No minifigs in inventory (brick-only or Technic set)
Build manual

Digital booklet available on this page — use it to verify bag contents
Build complexity

Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
Shipping weight (est.)

~1,651 g for parts inventory (excludes box/minifig packaging)
Before you buy used

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Market value

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