Image Item No. Description  11913-1 (Inv)  Parts for Nexo Knights: Build Your Own Adventure (included in Book 9780241283653) polybag 73 Parts, 1 Minifigure, 2017 Catalog: Sets: NEXO KNIGHTS  66547-1  Axl's Tower Carrier, Extra Awesome Edition 2016 Catalog: Sets: NEXO KNIGHTS  70358-1 (Inv)  Aaron's Stone Destroyer 234 Parts, 2 Minifigures, 2017 Catalog: Sets: NEXO KNIGHTS