Exploding Tire Pranks!!!
More about Exploding Tire Pranks!!!
Blow up a balloon and tape it to someones rear tire. The right tire probably would work best, because they will have less of a chance to see it.
Tape the balloon to the tire. Make sure the balloon is secure. Once they roll backward a huge “pop” will sound.
Then, take pleasure in their confusion when they get out and try to figure out what the problem is.