your local high school chemistry lab

they might have em at a science store.

Kid Dynamite, what should the angle be?
IceNine Reviewed by IceNine on . Propel Bottle Bong hey. Here's my first ever homemade bong. (pics attached) Materials: Gatorade 'Propel' Bottle Middle piece/tube of a ballpoint pen Glass funnel from Chemistry lab Glue Gun Rating: 5