The front of each card has a color photograph of the animal, a map of the world showing where the animal lived, and several symbols that gave additional information about the animal. On the back of the cards feature several hundred words of text about the animal, as well the scientific classification of the animal including the phylum, class, order, family, genus, and species, and also information about the animal's size, weight, gestation period, and other information.
The cards also came with index cards to help sort the cards, pamphlets explaining information about habitat and other relevant information, and a storage case for the cards. Some people received plastic storage cases that were either red or blue, but it was later switched to a cardboard storage case with wildlife images imprinted on it. For a while a jade elephant necklace was offered as an added bonus.
Index cards 2 through 24 were used to sort the animal cards. The index cards are as follows:
| Index card | |
|---|---|
| 2 | One celled animals |
| 3 | Sponges to Jellyfish |
| 4 | Worms |
| 5 | Annelids to Arthropods |
| 6 | Arthropods I |
| 7 | Arthropods II |
| 8 | Arthropods III |
| 9 | Arthropods IV |
| 10 | Mollusks |
| 11 | Echinoderms |
| 12 | Invertebrates to Vertebrates |
| 13 | Cartilaginous Fishes |
| 14 | Bony Fishes I |
| 15 | Bony Fishes II |
| 16 | Amphibians |
| 17 | Reptiles |
| 18 | Birds I |
| 19 | Birds II |
| 20 | Birds II |
| 21 | Mammals I |
| 22 | Mammals II |
| 23 | Mammals III |
| 24 | Mammals IV |