13cm. 32 hole - Childrens Wooden Harmonica. Our colourful harmonicas are large enough for little hands to hold measuring 130mm x 27mm x 27mm, are lightweight, sound great AND are 100% battery free! ...Our customers say “Just 2 minutes with our 2 year old she worked out how to blow in and out and thoroughly enjoyed the challenge of making her very own music”. The ideal gift for the "Learning to Swim" as it teaches children to blow in and out! Available in four great colours: BLUE with painted stars, rockets & coloured planets, PINK with green flowers & love hearts, YELLOW with coloured music notes, GREEN with Butterfly’s, flowers & Lady Beetles. Age Category: 12 months +