Portable Phone

Portable Telephone

Make your own portable telephone using two cans and some string.

What you need:

Adult supervision

Nail

Hammer

Two cans

65 feet of string

What you do:

1. Get an adult's help for this activity. Ask your adult helper to check the opening of the cans for any sharp edges.

2. Clean the two cans and let them dry.

3. Ask an adult to use a hammer and nail to make one hole in the bottom of each can.

4. Measure your string and thread one end through the hole in the bottom of the can, tie a knot so that the string is secure. Attach the other end of the string to the second can using the same method.

5. Find a friend and test your phone. Speak into the can and hold the can to your ear to hear your friend speaking. Make sure that the string is tight between the cans or the sound will not travel far enough along the string. You can also decorate your phone.

... more Earth Day fun.


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1.	Get an adult's help for this activity. Ask your adult helper to check the opening of the cans for any sharp edges.
2.	Clean the two cans and let them dry.
3.	Ask an adult to use a hammer and nail to make one hole in the bottom of each can.
4.	Measure your string and thread one end through the hole in the bottom of the can, tie a knot so that the string is secure. Attach the other end of the string to the second can using the same method.
5.	Find a friend and test your phone. Speak into the can and hold the can to your ear to hear your friend speaking. Make sure that the string is tight between the cans or the sound will not travel far enough along the string. You can also decorate your phone.