Appealing to children's natural instincts to sort and collect, these durable and tactile pebbles can be used in sand and water both inside and outdoors. Each pebble is cast from a special stone and resin mix and engraved and hand-painted with a numeral making then highly appealing. Perfect to encourage children's fascination with numbers. Each set includes a leaflet full of ideas and activities. Tactile pebbles with lots of play and learning value, Ideal for sorting, matching and number sequencing. Contains two each of numbers 0-10 for exploring number bonds to 10.