Includes a set of 100 colorful plastic cubes that connect together. Activity cards guide lessons to develop skills in counting, sorting, sequencing, graphing, pattern recognition, measuring, and basic mathematical operations. Develops spatial intelligence and fine motor skills while providing endless possibilities for open-ended creative play. Developed for pre-school and K-2 aged children in physical school or virtual learning environments. Includes a durable, stackable storage case to house all components.