This is the Coghlan's Four Function Whistle Essential Gear for Kids Camping Backpacking

Features:

• Featuring a spring-loaded clip for attaching to a belt, bag or lanyard, this whistle also includes a °F and °C scale thermometer, magnifier, and compass.
• The high visibility yellow body makes it easy to keep track of.

Featuring a spring-loaded clip for attaching to a belt, bag or lanyard, this whistle also includes a °F and °C scale thermometer, magnifier, and compass. The high visibility yellow body makes it easy to keep track of.