Robot Inventor

Robot Inventor (51515-1) is a set in the Mindstorms theme, released in 2020. It has 949 pieces.

Add to collection Add to wishlist

Number:51515-1
Released:October 2020
Pieces:949
Box size:0 × 0 × 0 cm
Box weight:0 g
Theme:Mindstorms

Box size and weight as measured by Brickset.

In numbers

LEGO planned to retire this set in July 2023.

Product details

Number: 51515-1
Name: Robot Inventor
Theme: Mindstorms
Released: October 2020
Launched: October 2020
Retired: May 2023 in the United States
Pieces: 949
RRP: ≈ 327.49 USD (459.99 CAD) (Canada)≈ 404.41 USD (359.99 EUR) (Germany)≈ 437.67 USD (1,699.99 PLN) (PL)≈ 422.14 USD (314.99 GBP) (United Kingdom)359.99 USD (United States)
Price per piece: ≈ 0.345 USD (0.485 CAD) (Canada)≈ 0.426 USD (0.379 EUR) (Germany)≈ 0.461 USD (1.791 PLN) (PL)≈ 0.445 USD (0.332 GBP) (United Kingdom)0.379 USD (United States)

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

BrickLink market data

We hold no current BrickLink prices for this set right now. BrickLink's own price guide is one click away.

View the price guide on BrickLink

The term 'Bricklink' is a trademark of Bricklink, Inc. This application uses the Bricklink API but is not endorsed or certified by Bricklink, Inc.

Can I build this?

Check this set against the parts you already own.

We count your loose parts and the copies you own,
suggest the fewest copies to open,
and list what is still missing.

Pricing

Best price everPrices recorded, but no exchange rate yet to compare them.

Current best offerNo current offer we can compare.

Price history

There are not enough shop prices in this range to draw a chart yet.

Price statistics by condition

Nobody has sold this set recently.

Sources Data in Brief: 34

Latest price from each shop

Sorted: lowest price first Show highest first

Advertising · contains affiliate links

Data in Brief Sealed · gross · sold 5/1/2023

2,349.00 PLN

Go to shop

Amazon.com BrickDb shows no Amazon prices. The link opens a search for this set on Amazon's own site.

Advertising

See the price at Amazon

Where these prices come from

On eBay

The cheapest eBay listings we saw in the last seven days. They are sellers' asking prices, so they are not in the shop price list or the best offer.

We have not seen a current eBay listing for this set.

Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 327.49 USD (459.99 CAD) unknown tax basis Available 10/16/2020 to 5/28/2023.Recorded by BrickDb since 10/2/2026

Germany ≈ 404.41 USD (359.99 EUR) gross Available since 10/16/2020 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

PL ≈ 437.67 USD (1,699.99 PLN) gross No availability dates published.Recorded by BrickDb since 10/21/2026

United Kingdom ≈ 422.14 USD (314.99 GBP) gross Available since 10/15/2020 — still on sale as far as we know.Recorded by BrickDb since 10/2/2026

United States 359.99 USD net Available 10/16/2020 to 5/28/2023.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

153 inventory lines

Catalogue image of the part Technic Pin Connector Hub with 2 Perpendicular Axles

Technic Pin Connector Hub with 2 Perpendicular Axles 10197· Black

×2

Catalogue image of the part Technic Gear 8 Tooth [Reinforced]

Technic Gear 8 Tooth [Reinforced] 10928· Dark Bluish Gray

×2

Catalogue image of the part Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle 11214· Dark Bluish Gray

×14

Catalogue image of the part Technic Beam 1 x 5 Thin with Axle Holes on Ends

Technic Beam 1 x 5 Thin with Axle Holes on Ends 11478· Black

×4

Catalogue image of the part Technic Panel Fairing #21 5L Small Smooth, Side B

Technic Panel Fairing #21 5L Small Smooth, Side B 11946· White

×2

Catalogue image of the part Technic Panel Fairing #22 5L Small Smooth, Side A

Technic Panel Fairing #22 5L Small Smooth, Side A 11947· White

×2

Catalogue image of the part Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]

Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] 14720· Light Bluish Gray

×2

Catalogue image of the part Technic Panel 3 x 11 x 1

Technic Panel 3 x 11 x 1 15458· White

×2

Catalogue image of the part Technic Axle 5 with Stop

Technic Axle 5 with Stop 15462· Reddish Brown

×2

Catalogue image of the part Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]

Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] 18575· Tan

×4

Catalogue image of the part Technic Pin Connector Round 1L [Beam]

Technic Pin Connector Round 1L [Beam] 18654· Black

×6

Technic Pin Connector Round 1L [Beam] 18654· Dark Turquoise

×10

Technic Pin Connector Round 1L [Beam] 18654· White

×10

Catalogue image of the part Technic Turntable Large Type 3 Base

Technic Turntable Large Type 3 Base 18939· Light Bluish Gray

×1

Catalogue image of the part Technic Driving Ring Connector

Technic Driving Ring Connector 18948· White

×1

Catalogue image of the part Technic Pin Connector Hub with 1 Axle

Technic Pin Connector Hub with 1 Axle 22961· Black

×4