water bottle grav bong
Will see if this home made water bottle bong works or not
Home made bong. Water bottle, tin foil, & a straw. :) works great!
Ice Stick Trays - These flexible trays allow the ice to pop out much easier, and because of their long shape, you can easily fit them into a water bottle. No more leaving half full bottles of warm water laying around!
Eco Friendly Water Bottle or Stash Jar, stained glass surfer waves psychedelic pot weed pipe bong herb smoke container apothecary
An experiment involving air flow and temperature. Is easy to do with elementary schoolers and lots of fun!
Make a Water Bottle Bong Step 1.jpg
I might try this big bong water bottle...
Science for Kids: Water bottle fountain. Instil a sense of awe and wonder in your students with this simple yet impressive science experiment.