Money is the subject most families teach entirely by accident. Children absorb it from overheard kitchen conversations, from what gets sighed at in shops, from the exact tone of "we'll see" — and they draw their own conclusions, which are often stranger and heavier than anything we'd have chosen to tell them. Meanwhile the actual lessons get postponed, because it all feels a bit grown-up for bedtime.
These stories take it earlier and lower, at the size money really is to a child: four coins in a tin, a thing that costs more than you have, a purchase that turns out to be brilliant for eleven days. They're about wanting, and waiting, and the odd discovery that some things you buy stop existing — and, for older readers, about the harder end of it: overhearing the worry, wanting to help, and finding that going without doesn't help the way you hoped. Nobody in these pages is taught to be careful with money. They just find out what things cost, which is a different and more durable thing. Each ends with a short Talk About It prompt.
Eight weeks of pocket money in a tin, all of it spent on one thing you cannot hold. It was brilliant for eleven days. Then the game put up a notice.
Aman gets up for water at eleven at night and hears two careful voices in the kitchen. After that he stops asking for things — the shoes, the extra class, the trip. He thinks he is helping.
Around four or five, as soon as coins are interesting objects — but keep it physical for years. Small children learn money from things they can hold, count and swap, not from figures. A tin, a real (tiny) amount of their own to decide about, and being allowed to spend it on something you privately think is a waste is worth more than any explanation.
Something, in child-sized terms — because children notice tension and will invent a worse explanation to fill the gap. What helps is the reassurance underneath the fact: this is a grown-up problem, grown-ups are handling it, you are safe. What doesn't is a child quietly deciding to stop asking for things, which happens more than parents realise and costs everyone more than the money did.
Take the wanting seriously before answering it — a child who feels heard argues less than one who feels dismissed, and "you really want that one, don't you" costs nothing. Then be plain and unapologetic about the answer, without turning it into a lecture on value. Stories help here in a way arguments can't, by letting a child watch someone get the thing and then watch what happens next.