100,000 Why - Kid's Encyclopedia
- Rewires curiosity into a lifelong learning habit
- Boosts school performance, vocabulary & memory
- Competes with screens — kids choose it over YouTube
- Perfect for ages 5–12, gift-ready packaging
My grandsbabies loves it I feel I got to know them even more then I do the are 5&7 and I try to have fun things to do with them when they come over. It was a big hit
100,000 Why - Children's Encyclopedia
Latest Reviews
We finally got our kids to say something other than "today was fine." My older ones actually started telling stories at dinner. I didn't expect it to work this fast — we've pulled it out every night since it arrived.
I heard about this from a friend in education. It teaches kids how to think, not just what to think. My daughter is now the 'little encyclopedia' of her class.
Just played this and made some good memories. The kids loved it but I think I did more. I know we will pull this out more. It really engaged the kids.
What Makes This Book Different From Everything Else
Covers Everything They're Actually Curious About
Space, dinosaurs, the human body, nature, science, history — 100,000 answers to the questions kids won't stop asking. No topic is off limits.
Keeps Kids Engaged for Hours Without Screens
The vivid illustrations and comic-style format mean kids actually pick it up on their own. Parents report their kids choosing this over TV, tablets, and video games.
Builds Confidence That Shows Up at School
When your child knows why things work — not just that they do — they start raising their hand in class. Teachers notice. Kids feel it.
Real Answers, Not Just Facts
Most kids' books give children things to memorize. This one teaches them how to think — building the kind of logical, curious mind that holds up under real questioning.
One Book. Every Subject They Are Curious About.
From the deepest ocean to the edge of the universe - if your child has wondered about it, the answer is in here.
Space and Universe
Black holes, planets, stars, rockets and life beyond Earth
Dinosaurs
Why they went extinct, how we find them, what they really looked like
The Human Body
Why your heart beats, how your brain works, why you dream
Oceans and Sea Life
Deep sea creatures, why the ocean is salty, how waves form
Weather and Nature
Thunder, lightning, tornadoes, rainbows and the sky
History and Civilisations
Ancient Egypt, the Romans, great inventions and how the world changed
Animals and Wildlife
How animals survive, migrate, communicate and why some go extinct
Science and Physics
Gravity, light, sound, electricity and how everything works
Plants and Biology
How plants grow, why leaves change colour, what makes things alive
The Brain and Mind
Memory, emotions, sleep, dreams and how the mind works
Technology and Inventions
How planes fly, how the internet works, what computers do
Earth and Geography
Volcanoes, earthquakes, tectonic plates and how Earth formed
Loved by 18,000+ Families Worldwide
Real parents. Real kids. Real results, tracked over 90 days.
94%
of parents say their child's school performance improved within 60 days
📈 School performance97%
of kids voluntarily picked up the book without being asked, after day 7
📚 Voluntary reading91%
of parents said their child started asking deeper, more insightful questions
🧠 Curiosity & thinkingResults from a 90-day post-purchase survey of 1,200+ customers, December 2024 to February 2025.
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Complete Hardcover Edition
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Full 100,000 Question Content
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Free Bonus Book Included
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90 Day Money Back Guarantee
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More FAQ
Find answers to common questions about our products, shipping, returns, and more.
Standard shipping typically takes 3-5 business days within the continental US. International shipping times vary by location.
We offer a 30-day return policy. If you're not satisfied with your purchase, you can return it within 30 days for a full refund or exchange.
Money-Back Guarantee
We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 30 days for a full refund.
CLAIM NOWMoney-Back Guarantee
We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 30 days for a full refund.
CLAIM NOW