Lego Technic Building Instructions: play.google.com/store/apps/details?id=max.moc.technic.ins...

Lego MOC Technic Building Instructions: play.google.com/store/apps/details?id=max.technic.buildin...

Lego Technic 42102 Alternative Models Building Instructions: play.google.com/store/apps/details?id=max.set42102.altern...