The Rainbow Wooden Shape Twister is ideal for learning colours and shapes and improving manual dexterity, fine motor skills and concentration. Our tickit Rainbow Wooden Shape Twister is made from beautifully smooth solid beech wood with a natural wood grain finish in the seven different colours of the rainbow. A giant bolt with seven nuts in different shapes. Each bolt shape has a varying number of edges, ranging from 1 (a circle) to 8 (an octagon).