Most Valuable LEGO Mindstorms Sets

No LEGO Mindstorms set is worth more today than 51515 Robot Inventor, valued at $739 new and sealed. The sets below run from 1998 to 2020, and every one of them has retired. The middle set on the list is worth about $176. The NXT line is the best represented here. Sets from the 2000s make up about 45% of the list. The core robotics kits carry the most value in Mindstorms, from the Robotics Invention System to NXT and EV3. LEGO ended Mindstorms in 2022, and its final kit has risen in value since.

Below are the most valuable LEGO Mindstorms sets on the secondary market today, ranked by their current value new and sealed.

Most valuable LEGO Mindstorms set
51515 Robot Inventor $738.63

Highest growth set
45502 EV3 Large Servo Motor +272.79%

Most owned set
40413 Mini Robots


	51515 Robot Inventor Theme Mindstorms Year 2020 Pieces 949 Availability Retired Included in the kit is an intelligent Hub with a 5x5 LED screen, 6-axis gyro and speaker, motors and accurate sensors. It includes four motors, a distance (ultrasonic) sensor, a color (light) sensor, and an all-new intelligent brick hub design. Buy this set at Amazon eBay BrickLink	Retail $359.99 Value $738.63 Growth +105.2% Annual growth 14.2% I own this set I want this set

	31313 Mindstorms EV3 Theme / Subtheme Mindstorms / EV3 Year 2013 Pieces 601 Availability Retired It consists of components to build programmable robots like TRACK3R, R3PTAR, SPIK3R, EV3RSTORM, and GRIPP3R, using advanced technology and a remote control and an icon-based programming interface. Buy this set at Amazon eBay BrickLink	Retail $349.99 Value $493.28 Growth +40.9% Annual growth 4.0% I own this set I want this set

	8527 Mindstorms NXT Theme / Subtheme Mindstorms / NXT Year 2006 Pieces 577 Availability Retired It features an NXT Intelligent Brick with a 32-bit microprocessor, interactive servo motors with rotation sensors, ultrasonic, sound, light, and touch sensors, USB 2.0 and Bluetooth support, and a comprehensive software package for robot construction. Buy this set at Amazon eBay BrickLink	Retail $249.99 Value $431.78 Growth +72.7% Annual growth 2.6% I own this set I want this set

	3804 Robotics Invention System V2.0 Theme / Subtheme Mindstorms / 2 Year 2001 Pieces 717 Availability Retired It centers on the RCX programmable brick and a selection of TECHNIC elements to build multiple robots, with instructions for three starter models and a series of programming challenges. Buy this set at Amazon eBay	Retail $199.99 Value $429.47 Growth +114.7% Annual growth 3.2% I own this set I want this set

	8547 Mindstorms NXT 2.0 Theme / Subtheme Mindstorms / NXT 2 Year 2009 Pieces 619 Availability Retired The set includes the NXT LEGO brick, 3 servo motors, and Ultrasonic Sensor, 2 Touch Sensors and Color Sensor and instructions for 4 robots. It is designed to construct and program various robotic models from either the instructions or user generated. Buy this set at Amazon eBay BrickLink	Retail $279.99 Value $371.60 Growth +32.7% Annual growth 1.9% I own this set I want this set

	9841 NXT Intelligent Brick Theme / Subtheme Mindstorms / NXT Year 2006 Pieces 1 Availability Retired It contains an Inteligent Brick for the Mindstorms NXT. Buy this set at Amazon eBay BrickLink	Retail $169.99 Value $330.66 Growth +94.5% Annual growth 6.4% I own this set I want this set

	9747 Robotics Invention System Theme / Subtheme Mindstorms / 1 Year 1999 Pieces 726 Availability Retired It features over LEGO pieces, including sensors, motors, gears, and the RCX microcomputer, which processes inputs and activates motors. Includes step-by-step instructions and programming software. Buy this set at eBay BrickLink	Retail $199.99 Value $205.24 Growth +2.6% I own this set I want this set

	9719 Robotics Invention System Theme / Subtheme Mindstorms / 1 Year 1998 Pieces 733 Availability Retired It consists of components for building and programming robots, interactive training missions, and challenges on the enclosed CD-ROM. Buy this set at Amazon eBay BrickLink	Retail $199.99 Value $200.00 Growth +0.0% I own this set I want this set

	45500 EV3 Intelligent Brick Theme / Subtheme Mindstorms / EV3 Year 2013 Pieces 1 Availability Retired It features an intelligent programmable brick with an ARM 9 processor, a Linux-based OS, an illuminated interface, a high-resolution display, multiple input/output ports, USB and Bluetooth connectivity. Buy this set at Amazon eBay BrickLink	Retail $189.99 Value $199.94 Growth +5.2% Annual growth 2.4% I own this set I want this set

	9754 Dark Side Developer Kit Theme / Subtheme Mindstorms / Star Wars Year 2000 Pieces 578 Availability Retired It features pieces centered around the Micro Scout miniprocessor, which includes a light sensor, motor, and seven programmed behaviors. There are 3 manuals in the set that go towards the set, each building a model of different complexity. Buy this set at eBay BrickLink	Retail $99.99 Value $184.21 Growth +84.2% Annual growth 2.2% I own this set I want this set

	10287 Intelligent NXT Black Brick Theme / Subtheme Mindstorms / NXT Year 2009 Pieces 1 Availability Retired It includes an NXT Intelligent Brick in its black limited edition form instead of the standard white. Buy this set at Amazon BrickLink	Retail $169.99 Value $175.71 Growth +3.4% Annual growth 7.0% I own this set I want this set

	9735 Robotics Discovery Set Theme / Subtheme Mindstorms / 1 Year 1999 Pieces 390 Availability Retired It includes a Scout Microcomputer V1.0 with built-in light sensor 387 pieces, including 2 motors, and 2 touch sensors Constructopedia (building instructions for 3 models). Buy this set at eBay BrickLink	Retail $149.99 Value $172.00 Growth +14.7% Annual growth 2.0% I own this set I want this set

	9748 Droid Developer Kit Theme / Subtheme Mindstorms / Star Wars Year 1999 Pieces 657 Availability Retired It features the powerful Micro Scout, R2-D2 and L-3GO droids, step-by-step building instructions, a CD-ROM for additional droid builds, as well as partial instructions for advanced droids like a battle droid and a Gungan sub. Buy this set at eBay BrickLink	Retail $99.99 Value $150.94 Growth +51.0% Annual growth 2.4% I own this set I want this set

	9709 RCX Programmable LEGO Brick Theme / Subtheme Mindstorms / 1 Year 1999 Pieces 1 Availability Retired It consists of the RCX programmable brick, sensors, motors, and 9V LEGO Technic elements for building and programming robotic models. Buy this set at BrickLink	Retail $109.99 Value $120.10 Growth +9.2% I own this set I want this set

	9731 Vision Command Theme / Subtheme Mindstorms / 1 Year 2000 Pieces 138 Availability Retired It features the LEGO Cam, allowing robots to respond to visual input, enabling motion-sensitive functions and integration with the Robotics Invention System. It includes a digital color camera that could be connected to a computer. You can create robots that take pictures of intruders, play music when they detect movement, or follow you if you have the Robotics Invention System. Through Training Missions, you can learn to program robots that "see" using motion, light, or color. Buy this set at eBay BrickLink	Retail $99.99 Value $103.76 Growth +3.8% I own this set I want this set

	RF ID Sensor Theme / Subtheme Mindstorms / NXT Year 2008 Pieces 3 Availability Retired It consists of an RF ID sensor and two RF transponders for use with the MINDSTORMS NXT set. Buy this set at BrickLink	Retail $29.99 Value $94.15 Growth +213.9% Annual growth 7.0% I own this set I want this set

	45502 EV3 Large Servo Motor Theme / Subtheme Mindstorms / EV3 Year 2013 Pieces 1 Availability Retired It features a powerful motor with tacho feedback, enabling precise control to within one degree of accuracy. It includes a built-in rotation sensor and is designed for easy assembly in gear trains, with auto-ID integrated into EV3 software. Buy this set at ebay BrickLink	Retail $24.99 Value $93.16 Growth +272.8% Annual growth 13.0% I own this set I want this set

	10286 Color Sensor Theme / Subtheme Mindstorms / NXT Year 2011 Pieces 1 Availability Retired It includes a Color Sensor for the Mindstorms NXT system. Buy this set at Amazon eBay BrickLink	Retail $54.99 Value $82.59 Growth +50.2% Annual growth 3.4% I own this set I want this set

	9736 Exploration Mars Theme / Subtheme Mindstorms / 1 Year 2000 Pieces 155 Availability Retired It is an expansion set for the LEGO Mindstorms Robotics Invention System (RIS) that consists of LEGO Technic elements, sensors, wheels, tracks, and suspension systems designed for constructing robots and vehicles themed around mars exploration. Buy this set at eBay BrickLink	Retail $49.99 Value $82.36 Growth +64.8% Annual growth 7.8% I own this set I want this set

	2853216 Infrared Link Sensor Theme / Subtheme Mindstorms / NXT Year 2011 Pieces 1 Availability Retired It consists of an Infrared Link Sensor for MINDSTORMS NXT, enabling communication with devices like MINDSTORMS RCX and LEGO IR-controlled trains. Buy this set at BrickLink	Retail $54.99 Value $80.84 Growth +47.0% Annual growth 3.6% I own this set I want this set

Most Valuable LEGO Mindstorms Sets

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