Step 1: Materials
-PVC tube: diameter of 1 cm (0.39 inch); Length can range from 20 to say 100 cm (7.9 to 40 inch). Longer barrels are more accurate, but harder to carry around in combat and require a longer breathe to operate.
-magazine page
-adhesive tape
-a pair of scissors
-sandpaper






















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Advantages using magazine paper:
-Cones are easier to make
-Cones are stronger
-Cones remain usable when they're moist (from breath)
Have fun!
the tube is still posted on our science teacher's bulletin board.
just my 2 cents
instead of paper, duct tape works well.
you can also use a pen cap from a marker- it fits snuggly