Goldn Gold Paydirt Eureka Panning Pay Dirt Bag Gold Prospecting Concentrate 4.2 out of 5 stars 1,447. 25.00. ... Every piece is sturdy and high quality. I was unsure if buying a pack was going to get me a usable set, but it did. I couldnt of got this quality for the price if I had purchased them separately. I am very happy with my purchase.