This puzzle set is designed for children ages 4 and up, featuring 28 challenges that involve stacking colorful blocks into specific combinations. The activities help develop critical thinking and logic skills. The building cubes measure 2" long by 2" tall, making them easy for small hands to grasp and stack. The set includes 1 puzzle tray, 8 puzzle pieces (4 cubes and 4 shapes), 28 double-sided puzzle cards, and an activity guide. Suitable for gifting on various occasions, it supports learning through play.