Discover the amazing properties of kinetic sand, which is hidden in a small box along with a rare treasure. You can open the box with the key hidden on the bottom. In a lump of sand, a precious treasure and tool awaits you, which you will use when working with sand. Thanks to its amazing properties, the sand will always hold together, will not dry out and will not make a mess. Size: 9.5 x 8 x 6 cm.