Safe Wander.

As technology gets smaller and cheaper, kids who have to deal with real problems are stepping into the role of inventor. 

Kenneth Shinozuka's grew up with grandfather with Alzheimer's who was prone to wandering. He remembers the police waking up the family after his grandfather wandered onto the freeway. 

Here's what he's doing about it. 

Here Kenneth speak about the development process of Safe Wander. 

Source: https://www.youtube.com/watch?v=tFX1nQLZUVM