Jul 03 step 767 bag 4 complete lego liebherr digger july 2021 back exhaust fans Bag 4 Complete Lego Liebherr Digger July 2021 I have now finished bag 4 of the Lego digger and up to step 767. Its been really interesting building up the detail. step 767 bag 4 complete lego liebherr digger july 2021