Waterbomb Model Step 3

Waterbomb Fold #6
Two locks complete. Turn over and repeat.
 

 Once both locks are completed, turn the model over.

Waterbomb Fold #7
Valley fold the edges down and create two more locks.
  

 Valley fold those two flaps, and create locks. 
 

Waterbomb Fold #8
Completed water bomb, ready to be inflated.
 

 Here is a complete waterbomb, ready for storage and transport.