You must own a GO! QUBE Mix & Match 8" Set before adding this Companion Set.
This set is all about the corners! The 8" Companion Set includes four shapes labeled 9-12.1—a continuation of the 1-8 die numbering system from the GO! Qube 8" Mix & Match Block—a cutting mat, instructional videos, PLUS a FREE 24-page pattern booklet which includes 10 Mix & Match block patterns.