What’s the Difference? Knowledge Cards
• With 48 fact-filled cards per package, Knowledge Cards are a great source of condensed information—all in a deck the size of a pack of playing cards.
• Knowledge Cards are like small books—packed full of information and fun
• An easy way to learn
• Use as flash cards, or as a quiz game
Published with the Sierra Club
Size: 3.25 x 4 x .75 in.
WARNING: Choking hazard—small parts. Not suitable for children under 3 years.