http://appshopper.com/entertainment/wind-toys
Wind Toys
Free for a limited time!
Wind Toys is a fun application that lets you blow into your iPhone to interact with fun gadgets and musical instruments.
Toys Included:
Bubble Blower - Blow bubbles and pop them by tapping.
Dandelion - Blow the seeds off a dandelion
Use the blow keyboard to play songs. Instruments Included are the tuba and saxophone.