Yellow Door | 48 Piece Stone and Resin Sum Building Set
Encourage a fascination for numbers with our fabulous number pebbles. These popular tactile objects appeal to children’s instinct to explore, investigate, sort and collect.
Each pebble is cast from a special stone and resin mix and engraved with a number (30–45mm). These durable, weatherproof pebbles are ideal for use in sand, water and outdoors, and will not fade over time. Safe for age 2+.
Contains: two of each of the numbers 0–20, two of operations +, – and =, one of operations x and ÷.