Concentration (game) as an educational game. Any deck of playing cards may be used, although there are also commercial sets of cards with images. The rules given here are for a standard deck of 52 cards, which are normally laid face down in four rows of 13 cards each. The two jokers may be included for a total of six rows of nine cards each. Additional packs can be used for added interest. Standard rules need not be followed: the cards can be spread out anywhere, such as all around a room. In turn, each player chooses two cards and turns them
Archaeology awareness playing cards jokers that provided additional information about heritage preservation. On November 7, 2007, the DoD program, entitled "In-Theater Heritage Training for Deploying Personnel", was awarded the "Chairman's Award" from the Advisory Council on Historic Preservation, an independent federal agency that promotes the preservation, enhancement, and productive use of the United States of America's historic resources, and advises the President and Congress on national historic preservation policy. Archaeology awareness playing cards The archaeology awareness playing cards are a set of playing cards developed by the United States Department of Defense designed to educate members of the United States military serving in Iraq