Plastic components will react in the dark with the UV LED Glasses and lights up beyond your belief! Comes with 4 pounds GLOW Sand, large play tray, UV LED Glasses, UV Pen Light, Brick and Pebble Rollers, 4 Stencils in assorted themes, 2 Volcano Molds, 6 PVC Neon Bugs, 6 PVC Dino Skeleton, 3 assorted Jungle Animal molds, and a light up flashing red LED module to make your volcano come to life! ITEM PROHIBITED ON AMAZON.