Combine blockstacking play with logic puzzles. The bold graphics and challenges make this an ideal 3D puzzle game. Activity Cards provide examples of what to build and openbottomed blocks allow for concealing pieces in more complex puzzles. Includes puzzle tray, 8 puzzle pieces (4 cubes, 4 shapes), 28 doublesided puzzle cards, and Activity Guide. Tray measures 6?”L x 6?”H; cubes measure 2″L x 2″H.?