100000 Whys Children's Encyclopedia

100000 Whys Children's Encyclopedia

 (8200+ Reviews)

🧠 Turns Constant Questions Into Meaningful Learning

📖 Keeps Curious Kids Reading Instead Of Reaching For Screens

✨ Makes Complex Science Fun, Simple, And Addictive For Children

👨‍👩‍👧 Creates Fun Parent-Child Conversations Every Night

The questions your child is already asking — why do we fart, why is the sky blue, why do we dream, why can parrots talk, why do apples turn brown — answered in plain language with vivid illustrations they'll actually look at

500+ questions across 6 worlds: the human body, animals, plants, space, earth, and everyday life — so every "why" finds a home

1–2 pages per topic — no walls of text. Built for the child who can't sit still and the parent who only has 15 minutes

Full-color comic illustrations throughout — the kind children open without being asked, and adults stop to read over their shoulder

Written for ages 3–12 — simple enough for early readers, interesting enough that parents and grandparents consistently say they learned something too

The parent who gets ambushed with "why" questions they can't answer — and wants something better than "Google it"

The child who hasn't found a book they can't put down yet — this is that book

Parents trying to compete with the iPad — who need something a child chooses themselves

Grandparents who want a gift that sparks a real conversation, not one that sits on a shelf

Any parent who knows their child's curiosity is their greatest asset — and wants to protect it before screens get there first

If for any reason you are not completely satisfied with your purchase, simply return the item within 30 days for a full refund. Your peace of find and financial security are our top priorities.

 
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100000 Whys Children's Encyclopedia

100000 Whys Children's Encyclopedia

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    My son has never once picked up a book on his own. I left this on the kitchen table and didn't say a word. He picked it up, read for 45 minutes straight, then came to find me to explain why the sky is blue. Not because I asked. Because he wanted to. I've never seen that before in his life.

    Anna J.
    Verified Buyer
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    My kids ages 6, 7, and 12 all fight over this book. That alone tells you everything. We read a couple of pages together, and two days later I quiz them — they remember every single thing. I've already bought 2 more copies so they stop arguing over the first one.

    Mark T.
    Verified Buyer
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    I bought this for my 9-year-old grandson and FaceTimed him after it arrived. He said he already loves it and has been learning things he never knew. Then he proceeded to tell me about three of them. An 9-year-old called his grandmother to share what he read. That's the whole review right there.

    Joe L.
    Verified Buyer
    Lihat detail lengkap

    Your child is already asking the right questions. Someone should actually answer them.

    Why do we dream? Why is fire hot? Why can't we tickle ourselves? Why do planes stay in the sky?

    Most get "I don't know" or a Google answer read off a phone. Their curiosity fires — and then quietly dims.

    Ages 5 to 12 are the window. Miss it, and the questions stop coming — replaced by passive scrolling and half-attention.

    Just 15 minutes a day is enough to build the kind of curious, independent thinker that stands out in every classroom.

    The difference between children who grow up fascinated by the world and those who don't isn't intelligence. It's whether someone gave them the answers while they were still asking.

    Real results from real customers!

      Curiosity doesn't wait. Neither does the algorithm.

      Every day a child spends passively watching instead of actively asking is a day the curiosity habit gets a little weaker.

      This isn't a book you assign them. It's one they pick up themselves — because the questions inside are the exact ones already bouncing around in their head.

      Parents who get this early don't have to fight for their child's attention later. The habit is already there.

      Real Feedback From Our Customers

      96%

      said their child picked up the book without being asked — and kept reading on their own

      94%

      said it was the first book their child chose to read again after finishing — or refused to put down for the first time

      90%

      said their child started sharing facts unprompted — with siblings, friends, grandparents, and teachers

      Based on post-purchase feedback from 50,000+ readers.

      Trustpilot reviews

      Excellent 4.8 / 5

      • He Put Down the iPad. I Said Nothing.

        I've been fighting screens for two years. Limits, timers, arguments — none of it stuck. I left this on the coffee table on a Tuesday. By Thursday he'd read half of it. He came to tell me why fire is hot. I didn't ask. He just wanted to share it. I've never once seen him do that with anything he watched online.

        Megan R.

      • My Granddaughter Called Me to Read It Over the Phone

        I sent this as a birthday gift not knowing what to expect. Two days later she called me — not her parents, me — to read me the page about why the sky is blue. She's 6. I'm 66. That five-minute phone call is the best thing that's happened to me this year. Get this for your grandkids. Don't wait.

        Tyrell D.

      • His Teacher Asked What We Changed at Home

        My son never volunteered answers in class. Ever. Three weeks after this book arrived his teacher emailed me — he'd been answering questions, explaining things to other kids, raising his hand. She wanted to know what changed. I told her I just left a book on the table. That's all I did.

        Amanda S.

        FAQs

        Best for ages 3–12, but the honest answer is: any child who asks "why" about things. Parents of 3-year-olds use it to read aloud together. Kids up to 15 read it independently. And based on the reviews, a surprising number of adults read it first before handing it over — and learned things too.

        Reading a lot and reading things that genuinely answer the questions bouncing around in your head are different things. Most books kids are assigned don't connect to what they're actually curious about. This one does — it's built around the exact questions children are already asking. Kids who already love reading tend to love this even more.

        This is the most common thing parents say before buying — and the most common thing they contradict in their reviews. Because the questions inside are the ones their child is already asking out loud, children don't experience this as "reading." They experience it as getting answers. Multiple parents report their child picked it up without being asked and read for 45 minutes straight. We can't guarantee that. But the reviews suggest it happens more often than not.

        That depends on what you're comparing it to. A single after-school enrichment class costs more and lasts an hour. This sits on the shelf and gets opened again and again. Multiple parents have bought second copies for siblings, or bought it as a gift after seeing what it did for their own child. The parents who feel it's worth it are the ones whose kid actually used it. Which — based on the reviews — is most of them.

        Orders are processed within 1–3 business days and typically delivered within 7–15 business days. You'll receive a tracking number once your order ships so you can follow it every step of the way.

        Yes! We stand behind every book we sell. If you're not happy with your order, please contact our support team within 30 days of receiving your order and we'll make it right with a refund or exchange.