Giant Inflatable Nocturnal Creatures. Introduce animal and insect behavior characteristics and adaptations with these jumbo nocturnal creatures. The use of models to represent scientific principles Includes bat spider moth and firefly that actually glows with a built-in LED light powered by 3 button-cell 1.5V batteries (included) Durable vinyl wipes clean Comes with Activity Guide hanging hooks and repair kit Largest (moth) measures 30"L x 25"H Grades K+