have you always wanted one of those cool bottle rocket launchers but couldnt afford one? well that happened to me, so I took action. I WILL SHOW YOU HOW TO MAKE A BOTTLE ROCKET LAUNCHER FOR UNDER 10 BUCKS! I think... I have not tested this yet so I'm not sure if it works. I am not responsible for the stupid things you decide to do with this. You will need a mask for protection. Also gloves are reccomended, but not required.
Step 1: Get a Pvc Pipe, Tape and a Toilet Paper Roll
Do what the title says and tape the toilet paper roll to the pvc pipe. This will be the handle. Then tape the end of the pipe leaving about A half of a cm.