Amazon.com: LEGO® Technic Heavy-Duty Excavator 42121 Toy Building Kit; A Cool Birthday;Construction Toys : Toys & Games
ForelockMocs - Another set of instructions done! And it's an alternate for 42121 by Dyens Creations. https://rebrickable.com/mocs/MOC-75354/Dyens%20Creations/42121-c-model-forest-harvester/#details | Facebook