This is my first instructable so... be kind and learn.
Step 1: Make an Horizontal and a Vertical Fold
make an horizontal and a vertical fold (not that hard XD)
Step 2: Make 2 Dioganally Folds
Read the title of the step :)
Step 3: Make a Waterbomb Base
use the existing folds to make what i do
Step 4: Make a Beginning
fold the outside 'flaps' to the point of the triangle do this with both sides
Step 5: Nearly Done....
The points at the outside... flap them to the middle and do the thingys i do
Step 6: THROW IT!
do the shit i do after all blow it up at the hole, fill it with water and....... !THROW IT!