Buy the jumbo number and alphabet pebbles together and save £10!Perfect for a whole range of literacy and mathematical activities these large pebbles are made from a unique stone mix making them robust and tactile to encourage word play. Durable enough to use either indoors or out the pebbles can be buried in sand or even used in the water to encourage children to become familiar with letter and number formation.This Jumbo Pebbles Offer includes; 26 A-Z pebbles each engraved with a lower case letter and 2 each of the numerals 0-10 each engraved with a number. Size between 60 and 73mm.