8.25x11-7/8" flattened cereal box from 1973. The front panel features caveman character w/bowl of cereal. Back has full panel featuring "Boys, Girls! Get One of These Wacky 'Zany Zoo' Animals - Free Inside This Package!" text and shows images of eight 2-piece plastic animal premiums which could be taken apart to combine strange animal variations (as seen in our photo). Corner of box has illustrated instructions. Box has been neatly flattened and has moderate surface paper lifts/paper remnants on end flaps. All flaps are intact and box could be easily reassembled for display. Fine. Comes w/four different animals (Ellie Elephant, Gerry Giraffe, Billy Bull and Mickey Monkey. Each has been removed from plastic sprues as issued. Animals measure between 1.25" and 2.25" tall. NM.