A splendid idea for worried parents, i sure would have liked to have these a couple years ago for my daughters
DoCoMo Debuts Phone for Kids
Japanese telecom giant offers phone with alarms, alerts, and GPS features. November 24, 2005
NTT DoCoMo, the leading Japanese phone company, and its eight subsidiaries have introduced a child-friendly 3G mobile phone with a decidedly child-unfriendly name. The FOMA SA800i's functions and services are designed to help keep children safe, by informing parents and other caring adults exactly where the child is at any given time.