found this on the net:

50 Fun Things To Do At Wal-Mart

1. Take shopping carts for the express purpose of filling them and stranding them at strategic locations.

2. Ride those little electronic cars at the front of the store.

3. Set all the alarm clocks to go off at ten minute intervals throughout the day.

4. Start playing Calvinball; see how many people you can get to join in.

5. Contaminate the entire auto department by sampling all the spray air fresheners.

6. Challenge other customers to duels with tubes of gift wrap.

7. Leave cryptic messages on the typewriters.

8. Re-dress the mannequins...