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LEGO Technic 42121 B model - Tracked Tractor with Backhoe building review
The LEGO Technic 42121 Heavy Duty Excavator is a great set for the price, and one of the reasons for that is the exciting B model. Let's take a closer look at it and see how it works! If you'd like to see more LEGO® RC fun then please follow me on Instagram, on my Facebook page or on my blog: https://www.instagram.com/racing.brick/ https://www ...
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