FN330 – Slide Whistle, Transparent Science Theme

Transparent slide whistle with packaging designed to show children how sound works.

Transparent slide whistle with packaging designed to show children how sound works. Example: A large chamber produces a low note, a small chamber produces a high note. The transparent tube allows child to visualize the chamber size changing as the sound changes. Perfect for science projects.

Sold: Individually, Master of 12
Packaged: Colorful Display box

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