Squeezy Hygienic Hand Whistle
A hygienic, hand-operated whistle ideal for multi-use by teachers and students alike - simply squeeze to make it whistle.
No fear now of using after the last person! Colour may vary.
OK, not as good as I though it would be, it is just a quick short burst of a whistle
We think you might need our International Schools site
or continue to TTS UK