like puzzle that when solved reveal a private key for example
it is important that kids start to learn early some basic economy, at least something about income and expenditure
i heard about a new law for some countries that will make it possible(to teach them basic economy) in schools
agree, because the kids love to play games, then we can introduce bitcoin through games, and now has been present a game application that is associated with the bitcoin. at least the kids will know the basis of bitcoin