Feb 07 engines bag 2 complete lego liebherr digger feb 2021 the back step 448 485 Bag 2 Complete Lego Liebherr Digger Feb 2021 I have been working on the digger on and off with Ethan, we have been progressing well and have now finished bag 2. When we had finished bag 2 we got to test the motors using the app. It was cool to see things working. engines bag 2 complete lego liebherr digger feb 2021