![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
![Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games](https://m.media-amazon.com/images/I/81OY3SOjecL.jpg)
Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games
RacingBrick - The LEGO Technic 42121 is a great set for the price, and one of the reasons for that is the exciting B model. Here is my building review of the
![Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games](https://m.media-amazon.com/images/I/818hhLz1fzL.jpg)
Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games
![Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games](https://m.media-amazon.com/images/I/81jGt4wkulL.jpg)
Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games
![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/I/81+x3S+w5uL.jpg)