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 17% but will level off in the next year closer to a 6% annual growth making it a solid investment. On the secondary markets, the typical price range for the set MISB/NISB is between $536 and $696. On the open market, a used set will fetch in the range of between $372 and $455 depending on the condition.

For Sale (New/Sealed)

(US) *** Best US listing for Robot Inventor ***
BrickEconomy Choice
$574.99
(CA) Sealed in original shipping box.
$453.04
-17.6%
(CA) BrickLink store Brickworld QC
$527.04
-4.2%
(US) NISB
$549.98
(US) Never removed from the overpack box.
$550.00
+0.0%
(US) MINDSTORMS Robot Inventor 51515
$574.99
+4.5%
(US) Amazon listing for Robot Inventor
~$577.48
+5.0%
(JP) 51515 MINDSTORMS: Robot Inventor
$613.60
+11.6%
(US) MINDSTORMS: Robot Inventor 51515 - Retired - Factory Sealed Legos
$625.00
+13.6%
(US) NISB, still in original shipping box from LEGO.
$630.00
+14.5%
(US) NEW & SEALED
$643.08
+16.9%
(US) MINDSTORMS: Robot Inventor (51515) New in sealed box
$679.99
+23.6%
(US) MINDSTORMS: Robot Inventor (51515) - Retired - New in original box
$699.00
+27.1%
(US) MINDSTORMS: Robot Inventor (51515) - Retired - Factory Sealed - US Shipping
$699.99
+27.3%
Show 10 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

Year 2020
Pieces 366
Availability Retired
40413 LEGO Mindstorms Mini Robots
promotional
Value $21.95
Annual growth 9.6%

Sets in Mindstorms

Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 733
Availability Retired
9719 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $269.01
Growth  34.5%
Annual growth 1.2%
Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 726
Availability Retired
9747 LEGO Mindstorms Robotics Invention System
Retail $199.99
Value $211.70
Growth  5.9%
Theme / Subtheme Mindstorms / 2
Year 2001
Pieces 717
Availability Retired
3804 LEGO Mindstorms Robotics Invention System V2.0
Retail $199.99
Value $246.67
Growth  23.3%
Annual growth 1.4%
Theme / Subtheme Mindstorms / Star Wars
Year 1999
Pieces 657
Availability Retired
9748 LEGO Mindstorms Star Wars Droid Developer Kit
Retail $99.99
Value $163.09
Growth  63.1%
Annual growth 2.2%
Theme / Subtheme Mindstorms / NXT 2
Year 2009
Pieces 619
Availability Retired
8547 LEGO Mindstorms NXT 2.0
Retail $279.99
Value $430.28
Growth  53.7%
Annual growth 3.0%
Theme / Subtheme Mindstorms / EV3
Year 2013
Pieces 601
Availability Retired
31313 LEGO Mindstorms EV3
Retail $349.99
Value $618.13
Growth  76.6%
Annual growth 13.9%
Theme / Subtheme Mindstorms / Star Wars
Year 2000
Pieces 578
Availability Retired
9754 LEGO Mindstorms Star Wars Dark Side Developer Kit
Retail $99.99
Value $219.48
Growth  119.5%
Annual growth 3.3%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 577
Availability Retired
8527 LEGO Mindstorms NXT
Retail $249.99
Value $388.98
Growth  55.6%
Annual growth 2.5%
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 2.6%
Theme / Subtheme Mindstorms / 1
Year 2001
Pieces 321
Availability Retired
3800 LEGO Mindstorms Ultimate Builders Set
Retail $59.99
Value $672.13
Growth  1020.4%
Annual growth 11.2%
Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 155
Availability Retired
9736 LEGO Mindstorms Exploration Mars
Retail $49.99
Value $86.05
Growth  72.1%
Annual growth 4.0%
Theme / Subtheme Mindstorms / 1
Year 1998
Pieces 148
Availability Retired
9732 LEGO Mindstorms Extreme Creatures
Retail $49.99
Value $63.65
Growth  27.3%
Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 138
Availability Retired
9731 LEGO Mindstorms Vision Command
Retail $99.99
Value $119.76
Growth  19.8%
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%
Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 70
Availability Retired
3803 LEGO Mindstorms Robotics Invention System Upgrade Kit
Retail $24.99
Value $31.86
Growth  27.5%
Theme / Subtheme Mindstorms / 1
Year 2000
Pieces 45
Availability Retired
3801 LEGO Mindstorms Ultimate Accessory Set
Retail $49.99
Value $78.27
Growth  56.6%
Annual growth 4.1%
Theme / Subtheme Mindstorms / NXT
Year 2008
Pieces 10
Availability Retired
LEGO Mindstorms NXT Keyfob Transponder
Retail $29.99
Value $41.92
Growth  39.8%
Annual growth 2.3%
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%
Theme / Subtheme Mindstorms / NXT
Year 2006
Pieces 3
Availability Retired
8528 LEGO Converter Cables for Mindstorms NXT
Retail $9.99
Value $54.04
Growth  440.9%
Annual growth 6.6%
Theme / Subtheme Mindstorms / 1
Year 2004
Pieces 3
Availability Retired
9911 LEGO Mindstorms Touch Sensor and Leads
Retail $11.99
Value $21.62
Growth  80.3%
Annual growth 3.3%
Theme / Subtheme Mindstorms / NXT
Year 2008
Pieces 3
Availability Retired
LEGO Mindstorms NXT RF ID Sensor
Retail $29.99
Value $86.09
Growth  187.1%
Annual growth 7.6%
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%
Theme / Subtheme Mindstorms / 1
Year 1999
Pieces 2
Availability Retired
9757 LEGO Mindstorms Touch Sensor
Retail $10.99
Value $15.05
Growth  36.9%
Annual growth 1.3%
Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10285 LEGO Mindstorms NXT Compass Sensor
Retail $54.99
Value $58.56
Growth  6.5%
Annual growth 1.1%
Theme / Subtheme Mindstorms / NXT
Year 2011
Pieces 1
Availability Retired
10286 LEGO Mindstorms NXT Color Sensor
Retail $54.99
Value $75.47
Growth  37.2%
Annual growth 4.6%
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©