The Okay to Wake! Alarm Clock and Night-Light from Patch Products. This alarm clock is perfect for children of all ages, as it grows with them through various development stages. Measures approximately 4 inches; includes two interchangeable faceplates; features alarm clock with snooze; features a convenient nap timer. Glows yellow at night and then glows green in the morning when it's okay to get out of bed. Requires 4 AA batteries (not included).
This clock works with various stages of your child's growth:
Ages 3 to 5 years: Clock teaches kids when it is okay to get up
Ages 5 years and older: Clock teaches kids how to use an alarm clock