One of the earliest origami projects to teach to anyone is how to make a cute little paper boat that actually floats. Here's how to make a paper boat.
A Square Piece of Paper, A Bone folder/Creaser
Fold the paper into a triangle.??
Fold the corner to the centre of the triangle. As shown in the image.
Fold the paper into a triangle.
It should look like this.
Open the folds.
Take the flap and fold it downwards as shown in the image.?
Fold the other flap over.
Fold the two triangles upwards.?
Aye Aye Captain! Get ready to sail, your boat is ready!!