Step 1: Make the Body.

Use the sketch to make four layers of cardboard. Each layer needs to be shorted by 1cm.

Step 2: Putting the Body Together

Put hot glue or super glue onto each layer then place of each other longest and shortest at the top.

Step 3: Waterproof It.

Layer the cardboard with waterproofing paint. [ any waterproofing paint will work.]

Step 4: Add the Hydrofoil

Bend and cut a piece of plastic to fit according to the bottom center of the boat. Then, tape or glue it down into place.

Step 5: Place for the Propeller.

You will need to cut out a 10-inch long 1-inch thick piece of styrofoam. Then, glue/tape it onto the center of the top of the boat.

Step 6: The Propellers.

Place the propellers on both ends of the styrofoam. tape them both into place, make sure that the propellers have enough room to spin. The motherboard can be taped/glued onto the center of the styrofoam also.

Step 7: Battery

You will need this battery if you are using the motors that we used.

Introduction: Cardboard Hydrofoil Boat