How to Build a Wooden Sluice Box | Our Pastimes
1/2-Inch Screws. Saw eight 1-foot-long sections of 1-inch wooden dowels. You will attach these dowels to the box to act as riffles and supports. Prepare the piece of plywood that is 1 foot wide by 4 feet long. This piece will be the base of the sluice box. Use two screws to …