[img]https://brickinsights.com/index.php/crop/teaser_compact/sets/6852-1.jpg[/img] 
[url="https://brickinsights.com/index.php/sets/6852-1"][b]6852-1 Sonar Security[/b][/url] 66 / 100  
[url="https://brickset.com/reviews/set-6852-1"][/url] 74 / 100  
[url="http://guide.lugnet.com/set/6852"][/url] 73 / 100  
[url="https://playingwithbricks.blogspot.com/2013/03/lego-6852-sonar-security-review.html"][/url] by Nachos Grande 50 / 100  
[url="https://www.youtube.com/watch?v=w1AIeOnnSGU"][/url]  
[url="https://www.youtube.com/watch?v=YXFGJX1_NDc"][/url] by Jang