295.00 ...The principal behind the sluice box is the same no matter what design is used. Water carries gold laden gravels down the box and gravity ultimately separates the gold from the lighter rock and sand. In theory the author of the class and a well-respected professional in the gold mining industry.This compact sluice box is the hobbyist prospector's dream product. It folds down to fit into a standard 5-gallon backpack. It will also fit in most backpacks. The upstream flare is nearly 14 inches wide
