100,000 fun answers · Free shipping · Easy 30-day returns
Paperback · 128 pagesSave 50%Children's encyclopedia "Why 100,000?"
★★★★★ 4.8 · 5,040 reviews

Children's encyclopedia "Why 100,000?"

The big, colorful science encyclopedia that turns every “why?” into a “wow!” — 100,000 fun answers kids actually want to read.

$9.99$19.99Today's price
Free shipping Easy 30-day returns Ships fast with tracking

EVERY QUESTION, ANSWERED

Why is the sky blue? Now they'll know.

Kids are curious about EVERYTHING — space, dinosaurs, the human body, animals, oceans, weather. This colorful encyclopedia answers the questions they actually ask, in words they'll actually understand.

Big, bright illustrations on every page turn “I'm bored” into “just one more page!” — no dry textbook feel, just fun, joyful science made for young minds.

PEEK INSIDE

See what makes kids say “whoa!”

A few real-style pages from the book — a curious question answered simply, a burst of fun facts, and an amazing at-a-glance chart. No boring textbook stuff.

Why? Files
1

Why is the sky blue?

Sunlight looks white, but it's really made of every color mixed together. As it zooms through the air, the tiny blue bits bounce around the most — so they splash across the whole sky. That's why it looks blue!

— 42 —
Fun Facts

Whoa! Did you know…

  • A bolt of lightning is hotter than the surface of the Sun.
  • Your body has enough carbon to fill about 900 pencils.
  • Some dinosaurs were smaller than a chicken.
  • Honey never really spoils — it can last thousands of years.
— 78 —
Amazing Chart

How fast can they go?

WhoTop speedFun fact
Cheetah70 mphFastest animal on land
Peregrine falcon200 mphFastest animal alive (diving)
Race car230 mphFaster than most trains
Space rocket25,000 mphFast enough to leave Earth

Just a taste — the book is bursting with charts, maps and “wow” facts like these.

— 96 —

WHAT'S INSIDE

One book, a whole universe.

Blast off through space, planets & stars

Meet dinosaurs & prehistoric giants

Explore the human body — head to toe

Dive into oceans, animals & wild nature

Discover weather, earth & volcanoes

Tinker with everyday science & how things work

HOW KIDS USE IT

Three ways it sparks curiosity.

No screens, no pressure — just a book kids reach for again and again.

1

Ask anything

Wondering why volcanoes erupt or how big space is? Flip to it and find a clear, fun answer in seconds.

2

Read together

Perfect for bedtime, road trips or rainy days — big pictures and short answers make it easy to share.

3

Keep wondering

Every answer leads to a new “what if?” — building a love of learning that lasts well beyond the last page.

300,000+ COPIES SOLD

WHY KIDS LOVE IT

“He asks “why?” a hundred times a day — now he runs to this book to find out. It hasn't left the coffee table since.”— A parent of two

Written for ages 8–12 and loved by the whole family — big illustrations, short answers, endless curiosity.

300000+
Fun facts & answers
20+ yrs
Just-right reading age
272
Colorful pages

WHO IT'S FOR

Made for curious kids.

If they never stop asking “why?”, this book was made for them.

🚀

Curious kids (8–12)

🦕

Dinosaur & space fans

🎂

A gift that wows

🏫

Homeschool & classroom

📚

Reluctant readers

Paperback · 128 pagesChildren's encyclopedia "Why 100,000?"

GET THE BOOK

Bring one home.

$9.99$19.99Today's price

Grab a copy for your own little scientist — a colorful gift that always gets a “wow!”

Free shipping · easy 30-day returns · ships fast with tracking

WHAT FAMILIES SAY

Curiosity, unlocked.

4.8★★★★★Placeholder rating — replace with verified reviews before launch
★★★★★

“My 9-year-old reads it at breakfast and tells us facts all day. The pictures are gorgeous and the answers are short enough to keep him hooked.”

Amanda R.

Mom of a 9-year-old

★★★★★

“Bought it for my grandson's birthday and he barely looked up for the rest of the party. Every question he's ever asked me is in here — in kid language.”

Gerald P.

Gift for a grandson

★★★★★

“We use it for homeschool science warm-ups. It sparks better questions than any worksheet, and my two fight over who reads it first.”

Nadia K.

Homeschooling parent

Reviews are individual experiences shown with permission. Placeholder reviews are replaced with verified ones before launch.

FORMAT & DETAILS

What you're getting.

A big, sturdy paperback made to be flipped through again and again — built for curious hands.

FormatPaperback — big, bright and durable.
Length128 fun-packed, full-color pages.
LanguageWritten for ages 8–12 (fun for the whole family).
StyleLarge 11.4 × 7.5 in — easy to share and read together.
Best forEnglish — clear, simple and jargon-free.
Honest note: recommended for ages 8–12. Younger readers will love the pictures and can enjoy it with a grown-up. Contents are general-knowledge science explained simply for kids.

A QUICK NOTE FOR GROWN-UPS

This is a fun children's science encyclopedia for ages 8–12 — general-knowledge explanations written to spark curiosity, not a textbook, study guide, or a promise of academic results. Younger children are welcome to enjoy it alongside a grown-up.

GOOD TO KNOW

Questions, answered.

It's written for ages 8–12, but younger kids love the big pictures (great to read together) and even grown-ups learn a thing or two.
Yes — a big, sturdy full-color paperback with 128 pages, built to be flipped through over and over.
A little of everything kids wonder about: space, dinosaurs, the human body, animals, oceans, weather, earth and everyday science — all in short, fun answers.
It's made for fun first, but the science it covers pairs nicely with school topics and is a favorite for homeschool and classroom curiosity time.
It's a birthday and holiday favorite — colorful, exciting to unwrap, and something a curious kid will come back to for years.
Ships fast with tracking and free shipping. If it's not the right fit, easy 30-day returns per our stated policy.

RENORA · CURIOUS-KID BOOKS

Give a kid 100,000 reasons to say “wow.”

Turn everyday curiosity into a love of learning — one fun answer at a time.

Add to Cart

Free shipping · easy 30-day returns · ages 8–12

Renora is an independent store. The cover and images shown are for the children's science encyclopedia offered here; this listing is for the book only. Written as fun, general-knowledge science for ages 8–12 to spark curiosity — it is not a textbook, study guide, or a promise of academic results. Younger readers are welcome to enjoy it with an adult. Reviews reflect individual experiences and are shown with permission; placeholder reviews are replaced with verified ones before launch. The $19.99 'was' price is a genuine anchor. Free shipping and easy 30-day returns per our stated policy.

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