LEGO Set

Robot Inventor

51515-1

Released: 2020 · Parts: 949 · Theme: Mindstorms

Robot Inventor (51515-1) is a Mindstorms LEGO set released in 2020 with 949 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Mindstorms sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 145 unique part types.

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Buying checklist

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

Release year

2020 (6 years ago — may be retired)
Catalog scale

949 parts listed · 145 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.)

~1,908 g for parts inventory (excludes box/minifig packaging)
Before you buy used

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Related sets in this theme

Mini Robots

40413-1 · 2020 · Mindstorms

366 parts

Technic Large Hub

88016-1 · 2021 · Mindstorms

2 parts

Mindstorms NXT CD

4524081-1 · 2007 · Mindstorms

0 parts

Market value

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