Sanyork Fair Trade Ocarina Clay Chirping Whistle Bird Set of Three Hand Made~peru by Sanyork Toy Chirping Whistle. $8.49. These whistles are wonderful to create bird sounds. Just add water to the clay whistle and then blow the tail to chirp and whistle. Made in Sanyork Fair Trade Studios in Lima Peru this Fair Trade whistles are crafted by our in house artisans. Sold in assorted colors individually wrapped in a little bag with a story card inside.