Be Familiar | Tuck these acrylic blocks among your nicknacks. These mysterious men would grace any end table, Choose a block that will pop out on your bookshelf. You'll love this small addition of artwork. Thickness: 1 inch, 3/4 inch. Sizes - 4x6 inch - 5x5 inch - 5x7 inch - 6x6 inch - 8x8 inch.