• Preschool Market

Simple Telephone

Updated: Dec 29, 2021



Step back in time and use some old-fashioned technology. Make a string phone and learn about sound waves with your child.


Skill Level: Intermediate Suitable For: 4 - 5 years old Estimated Time: 15 - 30 mins Environment: Indoors



Materials:

  • Thumbtack (to help poke holes in the paper cup)

  • 2x Paper Cups

  • String


Step 1:

Make a hole at the bottom of each paper cup using the thumbtack.


Step 2:

Put the string through the hole.


Step 3:

Tie a knot so that the string doesn’t come out from the cup.


Step 4:

The simple telephone is ready to use. Move into position with you and your child holding the cup at a distance, making sure that the string is tight. Ensure that the string isn’t touching anything else as well. One person talks into the cup while the other puts the cup to their ear to listen.


Reminder: You have to keep the string straight for best listening quality.


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