Build and erupt your own 14-inch volcano with the new dual mold NSI Smithsonian Glow in the Dark Giant Volcano system. Make the most realistic volcano ever with lava that glows in the dark and at night. Eruption tablets create accurate volcanic simulations. Study the differences between six different types of volcanoes with the 23 x 27 inch color poster. A world of discovery adventure and science awaits. Smithsonian This is a great educational unisex gift for a boy or girl