Beautiful solid beechwood giant bolt with seven nuts in different shapes and in the seven colours of the rainbow. Each bolt shape has a different number of edges, increasing from 1 (circle) to 8 (octagon). The chunky pieces are the ideal size for young children to manipulate and come in a natural finish to show the grain of the wood. Perfect for learning about colour and shape as well as improving manual dexterity and fine motor strength. Includes cotton bag.