House of Cards was designed by Charles and Ray Eames in the 1950s. These picture card decks have become universal favorites, and are represented in the MoMA collection. Each card depicts a different color square on one side and a blank canvas on the other. Six slots on each card enable the player to interlock the cards for building structures of myriad shapes and sizes. 20 Cards. They are big - they are fun! Printed on 8-ply card. Made in Germany. Cards measure 11.5" x 7.5". Boxed.