5ad3e94c_do_DS__and_all_things_Nintendo__Description
[Instrument] Toy Piano [Type] 03Piano Type [Description] 
Inside a toy piano, hammers strike metal rods instead of strings, making tinny noises. You'll still play it here like a piano: hammer away as if hitting keys!
List of instruments in Wii Music - The Nintendo Wiki - Wii, Nintendo DS, and all things Nintendo
Description