51.   The current version of the product includes a cradle that plugs into computer serial ports and operates only on machines running recent versions of Windows.

52.   The Easyball attaches to a nine-pin serial port.

53.   The gadget comes with a cord that plugs into a serial port on a desk or laptop computer.

54.   The Macintosh and Windows versions are essentially the same, except that the Mac model plugs into a serial port, while the Windows model requires the printer port.

55.   The little white box connects by cord to a serial port, or socket, in the back of the computer.

56.   The keyboard mates to the main unit through a special little connector that is also needed for the serial port and is almost guaranteed to get lost or mislaid.

57.   The laptops, which come with a standard serial port, are then connected to regular PCs to transfer the data.

58.   The serial port download is very, very slow.

59.   The system is smartly designed, with a standard serial port on the front of the case for plugging in a digital camera or other serial device.

60.   The toys connect to a computer by serial port or infrared connection.