"Gallop! Cards" are the gift that keeps on giving, whether you make the whole package a gift or send just one.Interestingly, the inventor, Rufus Butler Seder, first introduced his Scanimation technology in a greeting cards are going national, too. The 127 X 178mm cards are suitable for giving to kids and adults for all sorts of occasions. They are guaranteed to delight and astonish any person lucky enough to receive one. The set of eight note cards (two each of four designs) and envelopes is packaged in a box with its own Scanimation image on the cover.