Also, try playing with fire.
Nevermind. Here is the guide to ultimate fun and priceless expressions.
1. Get tire pump.
2. Get 2 liter empty soda bottle.
3. Fill it a 6th up with water. Just up to the bottom of the label.
4. Attach pump to it, and aim it up.
5. Repeatedly pump till boom.
6. Boom.
7. ??????????
8. Profit.
I call 'em my homemade bottle rockets.