24 LEARNING ACTIVITIES -- Sustain their attention with 12 double-sided activity cards which show construction, sorting, counting, sequencing and imaginative learning activities.48 OPEN-ENDED PEBBLES -- Inspire children to create their own scenes, characters and shapes with these stacking stones! They come in 4 sizes and 6 colors: yellow, red, orange, purple, green and blue.TACTILE AND SENSORY PLAY -- Throw some pebbles in a sensory bin with dirt, rice, sand or water! Children are fascinated by these stacking stones’ bright colors, odd shapes and warm feel.TEACH STEM AT HOME -- These grippy plastic pebbles are perfect for stacking and developing fine motor skills. Use this kindergarten kit to make artistic designs or teach children counting and sorting.AN EARLY MATH MANIPULATIVE -- Young minds will love this educational toy as they count, add and subtract. Use as a teaching aid to assist at-home learning and kindergarten readiness!