The thick moss mat in the gold sluice captures more tiny gold flakes. It features a compact aluminum box structure, small in size, and includes a storage bag, making it easy to transport and use. It's an excellent choice for novice gold prospectors, adult gold panners, and experienced miners alike. | Vevor | | Mini Sluice Box Gold Panning Kit, 12inch Aluminum Alloy Gold Mining Equipment, 16 PCS Gold Prospecting Kit with Gold Pan | Silver | Best Buy