Wooden Sound Prisms Set of 12The Wooden Sound Prisms Set of 12 by Commotion is a beautifully crafted sensory and auditory matching resource designed to engage children in early sound discrimination, memory development and sensory exploration. This set features 6 pairs of triangular hardwood prisms, each pair producing a unique percussive or musical sound when shaken. The blocks are colour coded with musical note logos in six vibrant rainbow colours printed only on one end, adding