Take a hands-on approach to learning numbers and sums with our tactile Sum Building Pebbles. Specially cast from our unique stone and resin mix, these popular pebbles appeal to children’s instinct to explore, investigate, sort and collect. They are durable enough to be used in sand, water and outdoors. Each pebble is engraved and painted, and will not fade over time.
Pebbles measure between 30–45mm. Safe for age 2+.
Contains 50 pebbles -
Contains: two of each of the numbers 0–20, two of operations +, – and =, one of operations x and ÷.