Plastic Bottle Rubber Band Boat

After we learned how to build a paddle boat we had fun testing it out in an inflatable pool in our backyard.

Plastic bottle rubber band boat.

You could easily experiment with your paddle boat in a bathtub or water table inside your house. Because the bottle is filled with air it will float on top of water even with all the other parts attached to it. Put the skewer through the hole in the back of the bottle. Slide your curved taped plastic carton pieces or your taped spoons or your joined foam pieces between the sides of the rubber band.

Buoyancy relates to how well something will float in a liquid. The kids had so much fun when we did the build a boat that floats challenge with our homeschool group that i knew they d love engineering these plastic bottle paddle boats. At this point you can tape the paddle to the rubber band. You can sail your paddle boat in the bathtub in a pond or quiet stream or in a swimming or kiddie pool.

This rubber band boat stem activity was a huge hit and we couldn t wait to share it with you. Secure them to the the bottle by screwing on the cap as seen in the photos. Put the skewer in through the top of the bottle leaving the rubber bands sticking out just a little. Bright lifes subscribe https goo gl kvoxjv how to make rubber band powered boat diy if you like this video please subscribe to our channel.

This is your paddle. Rubber band boat stem activity. The plastic bottle makes a nice body of our boat because it s buoyant.