It is easy to motivate a 5 year old who has not chess knowledge into learning it. But when they realize the complexity of the rules is way too far from their capacity, and it will take too long before they can actually play a game, this motivation is totally lost, because they feel like they are not smart at all.
However, the chess basics page in Lichess came in as the perfect solution for my kids:
My 8 year old girl is already solving basic mate-in-6 problems from the practice page:
What are your experiences ? Is she a genius ?
PS: Many of us want ratings for their long games, but we need your vote, please - www.strawpoll.me/11093155