Thanks for @Ngoc Nguyen to discover this, lego has now removed b model instructions from older technic sets.  Here is a example https://www.lego.com/en-us/service/building-instructions/42009 In my opinion this is really sad, and now it seems lego has entered the modern gaming era. Where every game is only online and the game developer can switch off the servers and the game is forever gone:(.  Luckily some youtuber still have the instructions:).    And, yo