Designed for kids as young as 4, the set's 28 puzzle challenges ask kids to stack colorful blocks into the right combinations. ENCOURAGE early development of critical thinking and logic skills The set's building cubes are sized just right for little hands to grab and stack. Cubes measure 2” long x 2” tall. Set includes 1 puzzle tray, 8 puzzle pieces (4 cubes and 4 shapes), 28 double-sided puzzle cards, and 1 Activity Guide.Ages 4+ GIVE THE GIFT OF LEARNING: Whether you’re shopping for holidays, birthdays, or just because, toys from Learning Resources help you discover new learning fun every time you give a gift! Ideal gift for Halloween, Christmas, Stocking Stuffers or even for Homeschool.