LEGO Master Builder Academy instructions
You can find the instruction booklets on BrickLink. They only costs a few dollars. They are not just about instructions. They include a whole curriculum for systematically learning advanced building techniques and building concepts with lots of information, seed ideas, alternate builds, etc. Here are the listings for the for LEGO Master Builder Academy booklets: https://www.bricklink.com/catalogList.asp?catType=I&amp;catString=764