![Amazon.com: LEGO Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday or Anytime Gift for Kids Who Enjoy Construction Toys; The 2-in-1 Design Gives Hours More Building Fun, New 2021 (569 Amazon.com: LEGO Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday or Anytime Gift for Kids Who Enjoy Construction Toys; The 2-in-1 Design Gives Hours More Building Fun, New 2021 (569](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/S/aplus-media/vc/64ecd612-1214-47bd-b02b-e06a2a77b88e.__CR0,0,1500,1500_PT0_SX300_V1___.jpg)
Amazon.com: LEGO Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday or Anytime Gift for Kids Who Enjoy Construction Toys; The 2-in-1 Design Gives Hours More Building Fun, New 2021 (569
![The importance of the high ground - LEGO Technic 42121 Heavy Duty Excavator building review - YouTube The importance of the high ground - LEGO Technic 42121 Heavy Duty Excavator building review - YouTube](https://i.ytimg.com/vi/eWo4Wu_aULU/maxresdefault.jpg)
The importance of the high ground - LEGO Technic 42121 Heavy Duty Excavator building review - YouTube
![REVIEW] 42120 Hovercraft / 42121 Excavator B-Models - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums REVIEW] 42120 Hovercraft / 42121 Excavator B-Models - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://i.imgur.com/srEvUif.jpg)
REVIEW] 42120 Hovercraft / 42121 Excavator B-Models - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![LEGO® Technic™ 2in1 Heavy-Duty Excavator (42121)[569 pcs] & Tracked Tractor with Backhoe | TBB - YouTube LEGO® Technic™ 2in1 Heavy-Duty Excavator (42121)[569 pcs] & Tracked Tractor with Backhoe | TBB - YouTube](https://i.ytimg.com/vi/5w6xNaiIX0M/sddefault.jpg)
LEGO® Technic™ 2in1 Heavy-Duty Excavator (42121)[569 pcs] & Tracked Tractor with Backhoe | TBB - YouTube
![MOD] 42121 Compact Excavator - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums MOD] 42121 Compact Excavator - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://brickshelf.com/gallery/mpj/42121-mod/img_1676.jpg)