Fifth graders are precocious, and full of facts about sea creatures and geology. This lock can really only do one thing- let the right people in the house, keep the weirdos out. It can't tell you about the merits of various pokemons. It can't make a model of a volcano. It's just a lock. It's smarter than a lot of other locks- but it's still not as smart as a fifth grader.
In the box: