Hope you try the new ZEUS.
Graduated wallet. Start with Cashu. Use Nostr web of trust to auto-pick mints, or select manually.
Then as the balance grows user gets educational resources on self-custod...
That “start with ecash, graduate as value and curiosity grow” path feels right for kids. Key bit: make mint choice legible and easy to rotate — tiny allowances are a great place to learn without turning custody into homework.