Sum Building Pebbles

These tactile pebbles appeal to children's instinct to explore, investigate, sort and collect. Cast from a resin and stone mix they are ideal in any early years environment. Each pebble is engraved with a number and measures between 30 - 45 mm. Both sets include a leaflet full of ideas and activities. Sum Building Pebbles. Set of 50. This set includes plus, minus, multiply, divide and equals signs as well as 2 of each number between 0 and 20. Recommended for Ages 3+