This Instructable will show you how to make a film canister speaker.
Step 1: Materials
You need :
a film canister
a knife or a scissor
Step 2: First (Optional)
Put holes or slits in the sides and bottom, then put one hole in the middle of the cap.
Step 3: Second
Now feed the earphone wire through the bottom of the cap.
Step 4: Third
Then put the earphones in the film canister and put the top on.
Step 5: Finally
Plug it in to your iPod or mp3 player and turn the volume up high.
To adjust the sound open the cap halfway.