Mattel built a $300 Echo for kids
 

It's late and you're tired. Before you can knock off for the night. However, there's one thing left to do: read your child a bedtime story. In Mattel's world, you might not have to pick up a book, or even put on voices for their favorite characters....

https://www.engadget.com/2017/01/03/...-speaker-kids/