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Cup and String Phone

adult supervision recommended
Learn about vibration and how sound travels when you make your own cup and string phone! With just two empty KRAFT Easy Mac Microwavable Cups and a few feet of string, you can create a cup and string phone that really works.
What you need
2 empty KRAFT Easy Mac Microwavable Cups
String (3 feet or more)
Make it
Give these a try!
S.T.E.M Kitchen Smiley
adult supervision recommended
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