Here is a great alarm clock you can purchase for your child. Other than being a handy timepiece to show the time, it can also teach your toddler how to tell time. It comes with 2 interchangeable surround sounds which aid in guiding your child to learn the basics of knowing what time it is.
It runs on 1 AA battery and is suited for kids aged 3 years and over. You can get a hold of it at Argos.
Also see other interesting tags at SleepZine: 3 years, aa battery, alarm clock, argos, disney, disney princess, how to tell time, timepiece
More similar categories at Sleepzine: Alarm Clocks, SLEEP Gadgets.
