While your kids were destroying the house yesterday, or playing video games, glassy-eyed, for hours, two pint-sized entrepreneurs took the stage at TechCrunch Disrupt in San Francisco and showed off an app for more efficient movement of money from parents to kids. Why? Bank accounts aren’t designed for kids, according to the founders, who are aged 9 and 10, respectively.

Called Beanstocks, the app teaches sound money habits and encourages savings and investment. See the founders describe and demo it below.

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