I had a lot of free time on my hands so I made this simple 5 minute tennis ball speaker
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Step 1: Gather Stuff
-a normal tennis ball
-a small speaker( I found mine at Walgreens)
Step 2: Cut the Tennis Ball
Take the razor and cut the tennis ball. Try to spear the razor back and forth into the ball. When you're finished check to see if the hole is a little more than an inch wide.
Step 3: Put the Speaker in the Ball
After you finish cutting, place the speaker in the hole.
Step 4: Place Tape Over Opening
Place tape over opening
Step 5: Cut Place for Switch
You'll need to turn on your speaker so cut a hole for the switch
Step 6: Turn On
Step 7: Finished!
Turn over the speaker and plug in!
DO NOT WORRY, THE SOUND IS NOT MUFFLED BY THE TENNIS BALL :)