Detailed Product Description We can supply 13-key,25-key,27-key,32-key,36-key,37-key melodica and various kinds of harmonica and we can do OEM.They are children's good partnerFeatures:1) Copper plate with silver plating2) Keys: imported anti-corrosive bronze3) Colors: according to customers' requirements4) Packing: 1doz/ctn5) Carton dimensions: 48 x 38 x 36.5cm