[img]https://brickinsights.com/index.php/crop/teaser_compact/sets/9841-1.jpg[/img] 
[url="https://brickinsights.com/index.php/sets/9841-1"][b]9841-1 NXT Intelligent Brick[/b][/url] 
[url="https://brickset.com/reviews/set-9841-1"][/url]