![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/S/aplus-media/vc/4e2ed62c-f71b-4eb5-9f6c-3a380264770b.__CR0,0,970,600_PT0_SX970_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
![Turning lego set 42121 into a crawler crane, I'm waiting for more parts, but this is what I have so far! : r/legotechnic Turning lego set 42121 into a crawler crane, I'm waiting for more parts, but this is what I have so far! : r/legotechnic](https://i.redd.it/1mrqn4tqw1l61.jpg)
Turning lego set 42121 into a crawler crane, I'm waiting for more parts, but this is what I have so far! : r/legotechnic
![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)