Technic Building Instructions for custom created and alternative Technic models to build something new from bricks you already have. No bricks are included! The app includes next detailed Technic building instructions: Technic 42137 Alternative Model Pull Back Buggy Technic Building Instructions, Cartoon Truck (Color version) Technic Building Instructions, Technic Bulldozer Technic Building Instructions, Military Truck Technic Building Instructions, Fishing Boat Technic Building Instructions, Te