Parents can use GPS watches or trackers to help see when their children arrive at school — but it depends on the watch’s accuracy, signal, and setup.
Inventions And Technology - Facts for Kids

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Random Facts About Inventions And Technology For Kids
While the iPad may seem like a new invention, people have been thinking about tablet computers since the 1960s, but the technology wasn’t ready yet.
More than 500 hours of video are uploaded to YouTube every minute — that’s like 21 days of non-stop videos!
iPads can translate languages in real-time, helping you talk with people who speak different languages from around the world.
The TV remote control is the most used electronic device in most homes – a typical remote button is pressed more than 300,000 times during its lifetime!