Our engaging number tiles are an ideal way to encourage children to develop early mathematical skills. These beautiful photographic images contain numbers formed from natural materials found in the seasons of Autumn and Winter to inspire children to explore number formation and create their own. Includes numbers 1 to 20.Includes 20 non-slip robust tiles each 25cm x 25cm. The tiles can be used indoors and out but should be stored indoors and allowed to dry thoroughly before use if damp. Also available in Spring/Summer number shapes and lowercase letter versions.