Take a square sheet of paper, fold in half downward to make a crease and unfold.
Fold in half sideways to make a crease and unfold.
Fold in half diagonally and unfold.
Fold along the other diagonal and unfold.
Turn the paper over.
Fold along the creases you’ve made.
Fold the upper layers of the side corners to meet the center line.
Fold the corners to the center.
Fold the upper layer of the top corner downward.
Tuck the flaps inside the side pockets.
Turn the item over.
Fold the side corners upward to meet the center line.
Fold the side corners to the center.
Fold the upper layer of the top corner downward and tuck the flaps into the pockets.
Blow in the hole on the bottom corner to shape the bomb.
The waterbomb is complete! Now fill it with water through the same hole and burst it!