If you have millions of Ping-Pong balls at your disposal, then you should probably check out this video tutorial on how to put them to another use than just a tabletop game.
Make a Ping-Pong ball smoke bomb!
This smoke screen grenade will be easy to make and fun. Pull out some aluminum foil and that cut-all-to-hell Ping-Pong ball and make a tin foil Ping-Pong ball smoke bomb.
Then, watch the second video to see what happens after successfully completing the smoke grenade instructions.