The animals can weigh as little as four grams (one-seventh of an ounce), and a bat that size may have an eight-inch wingspan.
While you can use any size, I prefer a six-inch square.
Besides the 10-inch size, many pies come in a four-inch version.
Sony's $300 gadget, the size of a trade paperback, has a six-inch screen, enough memory to hold 80 books and a battery that lasts for 7,500 page turns, according to the company.
Along the same lines, Polymer Vision, based in the Netherlands, demonstrated a device the size of a BlackBerry that has a five-inch rolled-up screen that can be unfurled for reading.
While a seven-inch device is too big for pants pockets, Ms. Grandy said, it is a good size for women's purses.
With a seven-inch screen, the Nexus 7 has already won enthusiastic reviews for its software and battery life — and, of course, its size and price.
Its a fourteen-inch, copper skillet.
A six-inch cake is $32; a nine-inch cake, $47; both include shipping.
* A four-inch plastic rain gauge.
