Spy Kids is a name of three different films from 2001 to 2003. The latest, Spy Kids 3-D: Game Over is scheduled for release on July 25, 2003. The Spy Kids movies are about the children of a married spy couple who become involved in their parents' espionage.
... a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) ...