Make Rolling Pennies!
I was bored one day rolling pennies, then i thought how much better would it be if i put an O-ring on it?
So I did it and here's the instuctable : D
Step 1: Materials
All you need is...
Step 2: O-ring Over Penny
Place your O-ring over your penny.
Whichever coin you use, make sure your O-ring fits comfortably over it.
Like the picture : D
Step 3: Glueing
Glue around the edges of the penny...
Step 4: Done!
... Let it dry and go roll your penny!