Find a stick as long as your arm. Find a bridge. Drop the sticks off of the upstream side of the bridge into the water. See which stick come out the other side fastest

Build a boat out of materials you can find such as sticks, grass, leaves and bark. Float it down the river. Catch your boat and make it better.

Take a small net to the river to see what insects you can find. Use the guide to help you identify what you find.