Moving Liquid Sand Art - Medium Alder Wood 7"x 12" The double-strength glass is framed with a quality knotty alder wood frame. The black sand is heavier than the white sand so the two will never mix, some of the sands are transparent and some opaque giving the pictures a cool 3D effect. Sand Pictures may take from minutes to several hours to finish a magical liquid sandscape, tiny air bubbles hold up the sand art creating unique natural sandscapes with every turn. Ocean Blue - Royal blue liquid with black and powder white pristine sands + fine blue glitter Summer Turquoise - Gorgeous Caribbean blue liquid with black, powder white and emerald-green pristine sands + fine seafoam glitter Sunset Orange - Beautiful deep orange liquid with black, powder white and coral pink pristine sands + fine copper glitter Arctic Glacier Clear - Crystal clear liquid with black and powder white pristine sands + fine blue glitter Red Volcanic Clear - Crystal clear liquid with black and powder white pristine sands + fine red glitter