This magnetic building blocks set includes 42/70 large magnetic cubes in 6 colors, an idea booklet and storage bag. The 3D cube design suits children ages 3-5 with easy grasping ability. These sensory toys help reduce anxiety, develop focus and concentration, while teaching color recognition, counting, geometric shapes and 3D forms. They encourage Stem creativity and spatial imagination for early learning. Made from strong Abs plastic with round edges and smooth surfaces for safety. The upgraded stronger magnets allow easier stacking to create stable 2D/3D structures. Larger size design prevents swallowing hazards while fitting small hands. Suitable Diy toy for different ages, making it a popular gift for children ages 3-8 for family, outdoor and kindergarten use. Weight: 0.99 pounds.