Encourage children's fascination with numbers, develop language and reasoning skills and more with the Sum-Building Number Pebbles. Appeal to children's natural instincts to sort and collect with these durable, tactile pebbles. Pebbles are great for use in sand, water, soil, indoors, and outdoors! Each pebble is cast from a special stone and resin mixture, and is engraved and hand-painted with a numeral making them highly appealing! Pebbles come in a handy jar for easy, quick clean up! Pebbles measure 1" - 1.5". Ages: 3+.
- Two stones each of numbers 0-20,
- Two each of operations +, - and =,
- One of each operations x and ÷.