CRICUT CARTRIDGES. A VARIETY TO CHOOSE FROM. ALL HAVE BEEN LINKED TO DESIGN SPACE BUT CAN BE USED ON THE OLDER MACHINES THAT USE CARTRIDGES. ALL INCLUDE THE CARTRIDGE, BOOK, BOX AND OVERLAY (CRICUT DOES NOT INCLUDE AN OVERLAY FOR THE SMALL SQUARE BOXES (A UNIVERSAL OVERLAY SHOULD BE USED WITH THOSE).