LEGO Master Builder Academy Level 4 - Invention Designer - #20215 675 pieces - 13 designs; 3 for the main models plus 10 additional springboard model instructions will jump start your creativity 141 official LEGO building tips and techniques from the actual designers of the models Three 84-page Designer Handbooks teaching 6 LEGO Master Builder techniques Three exclusive LEGO MBA Level 4 Minifigures, each with a themed accessory build Access code to members-only online LEGO Master Builder Academy content, featuring additional tips and building instructions, special videos and technique demonstrations, skill tests and fun activities, and a gallery for you to show off your own custom creations  Learn more about Space Designer, Robot & Micro Designer, Action Designer, and Adventure Designer!