What to Say When Your Child Asks a Question You Can't Answer
Your child asks something at exactly the wrong moment — mid-bedtime, halfway through making dinner, three minutes into a car ride — and you genuinely don't know the answer. Why is the sky blue. Where do dreams come from. What happens when a star dies. You want to say something useful, but "I don't know" feels like it might shut the conversation down, and making something up feels worse.
Here's the good news: "I don't know" is a completely fine answer, and according to early-childhood experts, it's often a more useful one than a rushed, half-right explanation. The trick isn't avoiding "I don't know" — it's what you say right after it.
Why "I don't know" is a better answer than it feels like
It's tempting to think a good parent should have an answer ready for everything. In practice, nobody does, and pretending otherwise tends to backfire in small ways: kids sense when an answer is vague or made up, and a dismissive brush-off ("ask your teacher," "we'll talk about it later" and never following up) teaches a child that their question wasn't worth much.
The National Association for the Education of Young Children (NAEYC), a long-standing authority on early-childhood learning, recommends a simple alternative: respond with "What do you think?" or "I don't know, but we can find out together." Both responses do something a rushed answer can't — they keep the child actively involved in the thinking, rather than turning them into a passive recipient of information.
ZERO TO THREE, another well-established early-childhood organization, gives parents similar permission: it's genuinely fine to say you don't know, and doing so models something valuable — that not having an answer yet is a normal, unembarrassing part of learning, not a gap to hide. Their guidance also points out that stepping in too quickly with the "correct" answer can actually get in the way, because part of how young children learn is by wondering, trying an idea out loud, and sometimes being wrong before getting closer to the answer.
None of this means every question deserves a full research project. Some questions just need "I'm not sure, let's look it up" and a thirty-second search. The point isn't to turn every bedtime question into a science project — it's to have a default response ready that doesn't shut curiosity down.
A simple four-step response you can use tonight
This isn't a rigid script — it's a shape you can bend to the moment, the question, and how much time you actually have.
1. Acknowledge the question before anything else. A quick "ooh, good question" or "huh, I've never thought about that" does more work than it seems like it should. It tells your child the question landed, rather than being brushed past — which both NAEYC and ZERO TO THREE flag as one of the fastest ways to quietly discourage a child from asking again.
2. Say you don't know, plainly. No need to soften it into a fake half-answer. "I actually don't know that one" is a complete, honest sentence, and it's a normal thing for an adult to say.
3. Turn it back to them, briefly. "What do you think?" is doing real work here — it's not a stalling tactic, it's an invitation. Sometimes a child already has a half-formed theory and just wants somewhere to say it out loud. Sometimes they'll shrug, and that's fine too.
4. Decide together whether to find out now or later. If you have thirty seconds and a phone or book nearby, look it up together on the spot — this is often the most satisfying option for both of you. If you genuinely don't have the time (you're driving, it's two minutes past bedtime), say so honestly and name a specific moment you'll come back to it: "Let's figure that one out tomorrow at breakfast." Then actually follow up. That follow-through is what separates "we'll talk about it later" as a real promise from the version that quietly means "never."
What this sounds like with real questions, by age
Toddlers and young preschoolers (roughly 2-4). Questions at this age are often short and repeated, and the goal is mostly to keep things simple and warm rather than technically complete.
Child: "Why is the sky blue?"
You: "Ooh, good question — I actually don't remember exactly why. What color do you think it should be?"
A toddler doesn't need the physics of light scattering. A brief, curious back-and-forth is enough, and you can always look it up together later if they keep asking.
Older preschoolers and early elementary (roughly 4-7). This is often where the genuinely hard questions start showing up — about death, about where babies come from, about why something bad happened on the news. These deserve the same four-step shape, but with more room for the child's own thoughts before you say anything definitive.
Child: "What happens when someone dies?"
You: "That's a big one. I don't know everything about that — nobody really does. What have you been wondering about it?"
This isn't a dodge. It's an honest acknowledgment that some questions don't have one tidy answer, paired with genuine interest in what's actually on your child's mind, which is often different from the literal question they asked.
Elementary age (roughly 7 and up). Kids this age can usually handle "let's look it up together" as a satisfying answer in itself, and they're old enough to help with the looking.
Child: "How do airplanes actually stay in the air?"
You: "Honestly, I've never fully understood that myself. Want to look it up together after dinner?"
At this age, the follow-through matters even more — an older child will notice if "later" never actually happens.
When "I don't know" isn't really the question
Every so often, a child's question isn't really asking for information at all. "What happens when you die?" asked right after bedtime, in a quiet voice, might be less about biology and more about "am I safe, and are you going to be okay." In those moments, the four-step shape still works, but the fourth step might be less about finding facts and more about reassurance and staying close for a few extra minutes. You don't need a perfect read on which kind of question it is — starting with "that's a big one, what made you think of that?" tends to surface which one you're actually dealing with.
Where Tovuli fits into this
None of this requires a product — the four-step shape works with nothing but attention and honesty. But it's worth naming why a screen-free conversational companion sometimes comes up in this context. Tovuli is an interactive plush that talks, tells stories and responds to conversation, and one of the things that shows up naturally in everyday use is a child asking it something out loud, the same way they'd ask a parent. When that happens, the same principle applies: curiosity doesn't need a perfect answer on the spot, it needs a response that keeps the question alive rather than shutting it down. Tovuli doesn't replace the follow-up conversation you have with your child, and it isn't a substitute for the "let's find out together" moments that matter most — but as one more voice in a household that's already treating curiosity as something worth encouraging, it fits comfortably into the same everyday approach described above.
FAQ
Is it bad for my child if I keep saying "I don't know"?
No — as long as it isn't your only response. Saying "I don't know" while staying engaged (asking what they think, offering to find out together) models a healthy, honest relationship with not knowing things. What tends to discourage curiosity isn't admitting uncertainty; it's dismissing the question altogether.
What if my child asks the same unanswerable question over and over?
That's common, especially with toddlers, and it's often less about the specific answer and more about the comfort of a familiar exchange. A brief, consistent response each time is usually enough — you don't need a new or more detailed answer every time the question comes up again.
Should I always look things up on the spot?
Not necessarily. Looking it up together can be genuinely satisfying, but it's also fine to say you don't have time right now, as long as you follow through later. A promise to revisit a question is only useful if it's kept.
What if I don't know how to explain something even after looking it up?
That's fine too. "I looked it up and I'm still not totally sure I understand it either" is an honest, reasonable answer, and it keeps modeling the same thing: not knowing everything is normal, and staying curious about it is the actual goal.
Meet Tovuli
Tovuli is a screen-free, conversational AI plush designed for everyday play, stories and curiosity-led conversation with a parent nearby. If you would like to see how it works, you can learn more about Tovuli here.