Easy Bottle Rocket

this is a easy bottle rocket

you will need

a bike pump

a knife

some 1/4'' vinyl tubing

a water bottle (Aquafina water bottles do not work)

duck tape

cut a hole in cap a little smaller than the tubing

wrap one end of the tube in duck tape

duck tape your tube to your cap

make it a good seal.

attach tube to bike pump

make it a good seal

screw the cap on bottle

and pump it up 4-5 times

to shoot it point it up

lightly unscrew the bottle it will pop

and it will fly 20-40'

tips

if you fill it a 1/4 of the way full with water it will go a lot higher

disclaimer I'm not responsible for what you

do with this instructable or any harm done

with it.