LEGO Master Builder Academy Level 3 - Adventure Designer, 20214, 638 Pieces Master the Art of Building! Learn to design and build your own creations with tips and tricks from LEGO Master Builders! 11 designs; connect 3 models together in a modular build. 8 additional springboard model instructions will jump start your creativity 186 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 3 Minifigures, each with a themed accessory build