Image Item No. Description  20215-1  (Instructions) for MBA Invention Designer (Kits 10 - 12) Catalog: Instructions: Master Builder Academy -  20216-1  (Instructions) for MBA Robot & Micro Designer (Kits 2 - 3 Redesign) Catalog: Instructions: Master Builder Academy -  20217-1  (Instructions) for MBA Action Designer (Kits 4 - 6 Redesign) Catalog: Instructions: Master Builder Academy -  5001270-1  (Instructions) for MBA Kits 2 - 3 Catalog: Instructions: Master Builder Academy -  5001273-1  (Instructions) for MBA Kits 4 - 6 Catalog: Instructions: Master Builder Academy