LEGO Mindstorms is a line of educational robotics products developed by the LEGO Group. The products consist of LEGO bricks and a set of motors, sensors, and programmable bricks that allow users to build and program robots. LEGO Mindstorms is designed to be educational, and is often used in schools and other educational settings to teach students about robotics, engineering, and programming.
Mindstorms consists of 25 sets that ran from 1999 to 2016. As of today,
45544 Education EV3 Core Set is the most valuable Mindstorms set with an estimated new/factory sealed value of $855.
Summary
Education Mindstorms Bluetooth Dongle set 45515 was released in November 2013, retailing for $30, but has since been retired. New, unopened Bluetooth Dongle sets are valued at $30, while used sets can be found for $11.
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