1.75x3.75x5" box holds four 3/8x2-3/8x3.5" boxed decks of cards. Each deck contains 54 cards and are color coded as follows: red deck - silhouettes of single-engine aircraft; blue deck - silhouettes of multi-engine aircraft w/single rudder; orange deck - silhouettes of multi-engine aircraft w/twin rudder; green deck - silhoeuttes of multi-engine misc. aircraft. All cards show multi views of each aircraft w/stats. Both Allied and Axis planes are represented. Box also contains four 3x4.5" "Keys" that unfold to 9x12". One key is for each color coded pack. Example text on one reads "For Official Use Only/Key To Green Pack." Also noted is "Reproduced, Courtesy R.A.F. (Royal Air Force) 1942." Also included is 4.75x7" folded four-page introduction and instructions w/title "Aircraft Recognition Silhouette Cards." Box and instructions show lt. surface dust. Decks of cards are Exc.