Whistle Pops

Whistle Pops were a lollipop brand produced by Spangler Candy Company that were designed to make a whistling sound. They were produced with a hole in them, and when blown into, a whistling sound would emanate from the confectionery.
Reintroduction.
After being discontinued for a few years, the company Chupa Chups reintroduced Whistle Pops, naming them Melody Pops, and markets them in the United States. Melody Pops are marketed with a tagline stating "play real music".
In the United Kingdom.
In the United Kingdom some pharmacies stock Melody Pops.