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51515 LEGO Mindstorms Robot Inventor thumbnail image

51515 LEGO Mindstorms Robot Inventor
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51515 LEGO Mindstorms Robot Inventor
  • Robot Inventor thumbnail
  • Robot Inventor thumbnail
  • Robot Inventor thumbnail
  • Robot Inventor thumbnail
  • Robot Inventor thumbnail
  • Robot Inventor thumbnail

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Robot Inventor since June 2023. Medium accuracy
LEGO 51515 Robot Inventor was a 949 piece Mindstorms set released in 2020. Included in the kit is an intelligent Hub with a 5x5 LED screen, 6-axis gyro and speaker, motors and accurate sensors.

It was retired in June 2023 with a lifespan of 32 months. The current value for a new and sealed Robot Inventor is estimated around $550 today with current average yearly gain of about 19% but will level off in the next year closer to a 7% annual growth making it a solid investment. On the secondary markets, the typical price range for the set MISB/NISB is between $530 and $627. On the open market, a used set will fetch in the range of between $378 and $479 depending on the condition.
All regions

For Sale (New/Sealed)
(JP) [New] Lego Mindstorms robot kit 51515
$449.55
-18.3%
(CA) Sealed in original shipping box.
$457.08
-16.9%
(CA) BrickLink store VAN-Bricks
$479.20
-12.9%
(JP) Mindstorms Robot Kit Inventor Programming Building Toys 51515 Japan #23161
$499.99
-9.1%
(US) Mindstorms Robot Inventor Set 51515 - 100% Verified Authentic and New
BrickEconomy Choice
$515.00
-6.4%
(CA) BrickLink store Brickworld QC
$530.80
-3.5%
(US) NISB
$549.98
(US) 51515 Mindstorms ROBOT INVENTOR Kit 949pcs - Brand New Sealed SHIPS FREE
$549.99
+0.0%
(US) Never removed from the overpack box.
$550.00
+0.0%
(US) MINDSTORMS: Robot Inventor (51515) New in sealed box OBO
$564.00
+2.5%
(US) MINDSTORMS Robot Inventor 51515
$574.99
+4.5%
(US) Amazon listing for Robot Inventor
~$577.48
+5.0%
(US) I may have a few more so ask if you're interested.
$579.00
+5.3%
(US) New LEGO 51515 Mindstorms ROBOT INVENTOR | 949pcs | RETIRED
$595.00
+8.2%
Show 16 more listings

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the last 3 months of new/sealed 51515 Robot Inventor.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 51515 Robot Inventor.

Related Sets

40413 Mini Robots

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Annual growth 9.8%

Sets in Mindstorms

9719 Robotics Invention System

Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 733
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9719 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $268.74
Growth  34.4%
Annual growth 1.2%

9747 Robotics Invention System

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 726
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9747 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $211.66
Growth  5.8%

3804 Robotics Invention System V2.0

Theme / Subtheme Mindstorms / 2
Year 2001
Pieces 717
Availability Retired
3804 LEGO Mindstorms Robotics Invention System V2.0
Retail $199.99
Value $250.00
Growth  25.0%
Annual growth 1.2%

9748 Droid Developer Kit

Theme / Subtheme Mindstorms / Star Wars
Year 1999
Pieces 657
Availability Retired
9748 LEGO Mindstorms Star Wars Droid Developer Kit
Retail $99.99
Value $171.96
Growth  72.0%
Annual growth 2.3%

8547 Mindstorms NXT 2.0

Theme / Subtheme Mindstorms / NXT 2
Year 2009
Pieces 619
Availability Retired
8547 LEGO Mindstorms NXT 2.0
Retail $279.99
Value $434.86
Growth  55.3%
Annual growth 3.2%

31313 Mindstorms EV3

Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 601
Availability Retired
31313 LEGO Mindstorms EV3
Retail $349.99
Value $634.63
Growth  81.3%
Annual growth 14.6%

9754 Dark Side Developer Kit

Theme / Subtheme Mindstorms / Star Wars
Year 2000
Pieces 578
Availability Retired
9754 LEGO Mindstorms Star Wars Dark Side Developer Kit
Retail $99.99
Value $234.62
Growth  134.6%
Annual growth 3.6%

8527 Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 577
Availability Retired
8527 LEGO Mindstorms NXT
Retail $249.99
Value $369.00
Growth  47.6%
Annual growth 2.3%

9735 Robotics Discovery Set

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 390
Availability Retired
9735 LEGO Mindstorms Robotics Discovery Set
Retail $149.99
Value $165.00
Growth  10.0%
Annual growth 2.4%

3800 Ultimate Builders Set

Theme / Subtheme Mindstorms / 1
Year 2001
Pieces 321
Availability Retired
3800 LEGO Mindstorms Ultimate Builders Set
Retail $59.99
Value $667.65
Growth  1012.9%
Annual growth 11.2%

9736 Exploration Mars

Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 155
Availability Retired
9736 LEGO Mindstorms Exploration Mars
Retail $49.99
Value $86.00
Growth  72.0%
Annual growth 3.9%

9732 Extreme Creatures

Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 148
Availability Retired
9732 LEGO Mindstorms Extreme Creatures
Retail $49.99
Value $54.25
Growth  8.5%

9731 Vision Command

Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 138
Availability Retired
9731 LEGO Mindstorms Vision Command
Retail $99.99
Value $119.76
Growth  19.8%

9730 Robo Sports

Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 91
Availability Retired
9730 LEGO Mindstorms Robo Sports
Retail $49.99
Value $50.00
Growth  0.0%
Annual growth 3.5%

3803 Robotics Invention System Upgrade Kit

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 70
Availability Retired
3803 LEGO Mindstorms Robotics Invention System Upgrade Kit
Retail $24.99
Value $31.83
Growth  27.4%

3801 Ultimate Accessory Set

Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 45
Availability Retired
3801 LEGO Mindstorms Ultimate Accessory Set
Retail $49.99
Value $71.99
Growth  44.0%
Annual growth 3.6%

Keyfob Transponder

Theme / Subtheme Mindstorms / NXT
Year 2008
Pieces 10
Availability Retired
LEGO Mindstorms NXT Keyfob Transponder
Retail $29.99
Value $41.89
Growth  39.7%
Annual growth 2.3%

8529 Connector Cables for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 7
Availability Retired
8529 LEGO Connector Cables for Mindstorms NXT
Retail $9.99
Value $18.81
Growth  88.3%
Annual growth 5.0%

8528 Converter Cables for Mindstorms NXT

Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 3
Availability Retired
8528 LEGO Converter Cables for Mindstorms NXT
Retail $9.99
Value $56.17
Growth  462.3%
Annual growth 6.9%

9911 Touch Sensor and Leads

Theme / Subtheme Mindstorms / 1
Year 2004
Pieces 3
Availability Retired
9911 LEGO Mindstorms Touch Sensor and Leads
Retail $11.99
Value $23.25
Growth  93.9%
Annual growth 3.8%

RF ID Sensor

Theme / Subtheme Mindstorms / NXT
Year 2008
Pieces 3
Availability Retired
LEGO Mindstorms NXT RF ID Sensor
Retail $29.99
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Growth  185.9%
Annual growth 7.6%

9713 Infrared Transmission Tower

Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 2
Availability Retired
9713 LEGO Mindstorms Infrared Transmission Tower
Retail $24.99
Value $25.00
Growth  0.0%

9757 Touch Sensor

Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 2
Availability Retired
9757 LEGO Mindstorms Touch Sensor
Retail $10.99
Value $15.03
Growth  36.8%
Annual growth 1.3%

10285 Compass Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10285 LEGO Mindstorms NXT Compass Sensor
Retail $54.99
Value $58.54
Growth  6.5%
Annual growth 1.1%

10286 Color Sensor

Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10286 LEGO Mindstorms NXT Color Sensor
Retail $54.99
Value $75.33
Growth  37.0%
Annual growth 4.5%
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My Collection

Robot Inventor Reviews

24 reviews
4.6
Collectors
Investors
BrickFanatics
“51515 Robot Inventor offers five different designs for fans to build, which can them be programmed via the MINDSTORMS Robot Inventor app. Beyond the five models with instructions, there are coding challenges to complete that will require users to apply the skills they have... More learned through the process. Drag-and-drop coding teaches the process, with Python included for advanced coders.”
Full review at www.brickfanatics.com
Eurobricks
“If you are a novice robot builder, I would definitely recommend getting this set. If you want to make more advanced robots with bigger programs and more options, I'd recommend getting the EV3. A lot of (third party) stuff is available for the EV3, which allow for a ton of... More options.”
Full review at www.eurobricks.com
The Brothers Brick
“The set may not be perfect, and may not be everything LEGO Mindstorms fans hoped it would be. But it is fun, and users new to the platform are sure to enjoy it, while old hands can find some silver linings along with some new things to experience.”
Full review at www.brothers-brick.com

About Mindstorms

LEGO Mindstorms is a hardware and software system desigend for the development of programmable robots made out of TECHNIC bricks. The original LEGO Mindstorms Robotics Invention System was born out of a collaboration between MIT and the LEGO group's eductaional division. Since the release, there have been a number of generations of the Mindstorms platform: the original Robotics Invention System, NXT, NXT 2.0, and EV3 and weth each platform release, the motor and sensor capabilities have greatly expanded. Mindstorms are also sold and used as an educational tool and called Mindstorms for schools or Mindstorms Education.
Summary
Mindstorms Robot Inventor set 51515 was released on October 15, 2020, retailing for $360, it has since been retired. New, unopened sets are valued at $550, while used sets sell around $400.
Read more
Enter the amazing physical and digital world of programmable, remote-control robots and intelligent creations. With LEGO® MINDSTORMS® Robot Inventor (51515), young robot fans build 5 unique, motorized robots and vehicles using the free LEGO MINDSTORMS Robot Inventor App. Then they bring them to life, one at a time, using the drag-and-drop coding environment based on Scratch and complete fun activities and challenging missions (visit LEGO.com/devicecheck for a list of compatible devices). And with almost 1,000 pieces, kids will love to come up with their own tech toy creations and share them with other robot fans on LEGO Life.

Level up the play experience
From the intelligent Hub with its 5x5 LED screen, 6-axis gyro and speaker, to powerful motors and accurate sensors, the latest evolution of LEGO MINDSTORMS coding robots for kids is the perfect way to help youngsters express and develop their creativity, while gaining essential 21st century STEM skills.
Description provided by LEGO©