• With 48 fact-filled cards per package, Knowledge Cards are a great source of condensed informationall in a deck the size of a pack of playing cards. • Knowledge Cards are like small bookspacked full of information and fun • An easy way to learn • Use as flash cards, or as a quiz game Published with The Academy of Natural Sciences Size: 3.25 x 4 x .75 in. ISBN 9780764915963
