One Person Water Scooter

You can open up a whole new world of summer fun with this easy, do-it-yourself bumper boat/water scooter.

069 bumper boat scooter - pattern2
The "Butterfly wing" diagram is a scaled down pattern for the boat's wooden components. Redraw the grid, in 1-inch squares, on a 17-by-20-inch scrap of paper, and carefully reproduce the design on this larger "graph."