Original illustrated cardboard window display box contains 5.75" tall "Action Aerating Monster" plastic figure. Penn-Plax Plastics, Inc./Garden City, ©1971. Figure is jointed at waist and has air tube running into back. Designed to be placed in aquarium, tube filling upper torso w/air, causing body to move and release air bubbles. Thin plastic window is loose (but included) and shows scattered wear w/a number of creases/dents and 1.5" crack at upper right. Window has original tape still attached and could easily be reattached. Box itself has some corner tip wear w/aged tape strips along bottom as issued and some color rubs to top. VF. Aquarium toy is exceptionally nice and clean w/most tiny tips off claws on hand (but all claws on feet remain intact). This is a typical issue w/this item and is only noticeable when viewed closely. Figure is o/w Exc. and never removed from box. A desirable and classic Creature collectible. Gary Keller Collection.