[img]https://brickinsights.com/index.php/crop/teaser_compact/sets/6841-1.jpg[/img] 
[url="https://brickinsights.com/index.php/sets/6841-1"][b]6841-1 Mineral Detector[/b][/url] 75 / 100  
[url="http://guide.lugnet.com/set/6841"][/url] 75 / 100  
[url="https://brickset.com/reviews/set-6841-1"][/url] 74 / 100  
[url="https://www.youtube.com/watch?v=HM75qPNQSHA"][/url] by Jang