Make two ships and put one inside the other. This will increase the water resistance as well as the overall sturdiness. Color the ship with crayons. The wax will help the paper resist water. Instead of tape, coating the bottom with plastic film wrap will provide a good barrier to the water. If you plan to re-use it, let the ship dry out after use. Then wrap it in plastic to protect it.

Remember, this is essentially an origami technique. Origami traditionally uses light but durable paper. [10] X Research source Printer, or copy, paper is a happy medium for a relatively simple fold such as a paper ship. You can also buy origami paper, or kami which is a product developed in Japan in the early twentieth century. It is often decorated and can be found in art supply stores. It is a bit lighter, but is fairly similar in weight to copy paper. [11] X Research source You can also use newspaper, but it will be slightly less durable, and easier to tear.