Sands Alive! Neon Frenzy will absolutely astound you! The world first Fluorescent Light Up Sand! Each set includes 1.5 pounds of Fluorescent Sands Alive!, 4 castle molds, brick and pebble rollers with interchangeable handle, UV black light glasses and play tray. All the fun of sand without the mess! The unique, non-toxic formula prevents bacterial growth. Two assorted sand colors: Orange and Green.