Patent 7247078 was granted and assigned to Mattel, Inc. on July, 2007 by the United States Patent and Trademark Office.
A rotatable entertainment device includes a mobile arm rotatably coupled to the entertainment device, and a motion translation device coupled to the entertainment device and the mobile arm to convert an oscillatory motion of the entertainment device into a rotational motion of the mobile arm. The entertainment device is mountable to an oscillating device (e.g., a swing) that conveys the oscillatory motion from the oscillating device to the entertainment device.