These full-color flash cards feature official White House Historical Association portraits of all 46 American presidents on the front, plus biographical information and accomplishments on the back! Covering every president from George Washington to Joe Biden, the cards have color-coded dates and feature quick-sorting rounded corners. You even get additional cards with information about the different eras and political parties. Set includes 56 durable, double-sided cards; each measures 3 1/8" x 5 1/4".