[img]https://brickinsights.com/index.php/crop/teaser_compact/sets/42121-1.jpg[/img] 
[url="https://brickinsights.com/index.php/sets/42121-1"][b]42121-1 Heavy Duty Excavator[/b][/url] 84 / 100  
[url="http://click.linksynergy.com/deeplink?id=TZZm7nNaZzs&mid=13923&murl=https%3A%2F%2Fwww.lego.com%2Fen-US%2Fproduct%2F42121"][/url] 92 / 100  
[url="https://brickset.com/reviews/set-42121-1"][/url] 82 / 100  
[url="https://www.eurobricks.com/forum/index.php?/forums/topic/183398-review-42121-technic-heavy-duty-excavator/&do=findComment&comment=3357671"][/url] by mostlytechnic 80 / 100  
[url="https://www.youtube.com/watch?v=f-6VvqVZ71Q"][/url] by Paweł Kmieć 80 / 100  
[url="https://brickset.com/article/57892/review-42121-heavy-duty-excavator"][/url] by Huw  
[url="https://www.brickfanatics.com/lego-technic-42121-heavy-duty-excavator-review/"][/url] by Dimitri