Foam filled latex spider is on a bungie cord with metal armature. When the switch is activated, it drops down! This user friendly device is designed to slip over 2' X 4' wall units, and has plugs that activate when spider drops. Plug in your own lights and boom box to heighten the impact. Requires AC power and 100 psi air compressor. PLEASE NOTE: This item is a Special Order and may take 4 to 8 weeks for delivery. Please call us for availability if you need this item sooner.