I think so, bring the BTC closer in life. The simpler the closer the stimulus is to learn, when the passion is self will study passionately.
Well can I ask if it is necessary to teach 7 year old child ? Cause we all know that the capability of a child to understand and learned this kind of platform which involves huge amount of money and technical properties is not the right time for them to deal with. I hope this will not hurt you.