From the pattern envelope:
Create playful 3D blocks that you could almost grab. Use solids, blenders or small scale prints in light, medium and dark shades from the same color family to make each lively block. Three fat quarters will make nine blocks.
From Jaybird Quilts:
With Arcade Game you can make cubes without Y seams!! All you need are some Fat Quarters and a Sidekick Ruler (click the link to the ruler to see the video tutorial on how to use it).
The pattern is printed in full color, and it includes templates. Plus there's no Y seams!
It comes in 4 sizes: baby, lap, twin & king.