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Eureva Bookmarks

Eureva Bookmarks

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 (8,500+ Reviews)
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Eureva Bookmarks

Eureva Bookmarks

Regular price $0.00
Regular price $0.00 Sale price $9.99
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I LOVE IT. Very helpful to my kid, and she actually learns from it!

McKenzie G.
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Product Details

Trade dry textbooks for vibrant, comic-style storytelling that turns their endless questions into a superpower.

  • Ages 5–12: Perfect for the prime curiosity window.
  • Real Answers: Explains the why and how behind 100,000 curious questions.
  • Builds Resilience: Teaches kids how to pivot and navigate failure.
  • Beats Screens: Highly visual, bite-sized chapters they actually want to read.
  • Gift-Ready: Premium, durable quality for any occasion.
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Shipping Information

Orders are processed within 1–3 business days.

United States:

US customers receive their order within 4–8 business days total.

All orders include tracked delivery with DHL.

International delivery:

• Canada: 4–8 business days

• Europe: 4–8 business days

• AU/NZ: 5–10 business days

• Rest of world: 5–12 business days

You’ll receive a tracking number as soon as your order ships.

View full details
 
 
Ages 6–12 · The Curiosity Encyclopedia

“Why is the sky blue? Why do we dream? Why don’t penguins fly?”

100,000 answers to the
questions that never stop.

Comic-style storytelling that turns your child’s endless “why?” into their sharpest superpower — the why and the how behind the world, in bite-sized chapters they actually want to read.

4.9/5· 4,200+ happy parents
🔬 Problem-solving🧠 Independent thinking🩷 Actually fun🛡️ Builds resilience
$0.00$9.99
🚚 Ships by Fri, Jun 19 · Free tracked delivery
100k WHYS book cover Why is the sky blue How do planes fly Why is the ocean salty Why do we dream Where does rain go
🌍 Trusted in 20,000+ homes 🇺🇸 USA made ✈️ Free worldwide shipping 4.9/5 from 4,200+ parents
What it really is

Not a reference book.
A foundation for how your child thinks.

Help your child build scientific thinking, satisfy a bottomless curiosity, and grow the problem-solving muscles that outlast any test — through 100,000 questions and answers that feel less like studying and a lot more like discovery.

100,000curious questions answered
6–12the prime curiosity window
Why & hownot just what happens
Inside pages of the 100k WHYS encyclopedia
Open to any page

Go ahead — ask it anything.

Tap below for a real taste of how it explains the world. There are 99,999 more inside.

A curious mind asks…

Why is the sky blue?

Sunlight is secretly made of every colour mixed together. As it pours through the air, the tiny blue waves bounce around the most — so blue is the colour that reaches your eyes from all over the sky.

1 of 100,000
The gap

Most books hand out facts.
Almost none teach a child how to think.

?

Memorisation over mastery

Facts handed out without the why evaporate the second the cover closes. Surface knowledge never sticks.

?

Everything in silos

Space here, biology there, history somewhere else. Kids learn best connecting the dots across subjects.

?

Textbooks in disguise

So dense and dry they read like a college course with a cartoon cover. Abandoned by page two.

?

Ignores the real questions

Built for rigid curriculums, not the wild, weird, wonderful things kids actually wonder about.

?

No match for a screen

If it isn’t vivid and genuinely engaging, the tablet wins the nightly battle every single time.

!

So what happens?

We raise kids who can pass the test but lose the burning urge to figure out how the world really works.

Most books fill a shelf. 100k WHYS expands a mind. 🚀
The difference

A shelf-filler vs. a mind-expander.

An ordinary encyclopedia

  • Lists what happens, skips the why
  • One subject at a time, in isolation
  • Written to match a test
  • Loses every battle with a screen
  • Read once, then shelved forever

100k WHYS

  • Explains the why and the how behind the what
  • Connects space, biology, history & more
  • Written for real, untamed curiosity
  • Vivid enough to beat the tablet
  • Read till 9pm — by their own choice
What parents reported

The report card parents sent back.

Parent Satisfaction Report

Surveyed across 20,000+ households worldwide
Top
of the
class
Academic confidenceParents noticing a clear boost in their child
93%
Reading over screensChildren choosing the book over a tablet after week one
96%
Conversations at homeParents reporting more thought-provoking talks
89%
Households reachedCurious families around the world, and counting
20k+
Data from a satisfaction survey of 1,500+ active users, Q1 2025.
From real parents

The kitchen-table moments
parents keep writing about.

★★★★★

“My son asked how airplanes stay in the sky and I blanked. He grabbed this, read the physics section for an hour, then gave me a full kitchen-table presentation. His teacher emailed a week later asking what changed.”

S
Sarah J.
Mom of two · Washington
★★★★★

“I was doubtful — my daughter is glued to her iPad. I left it on the counter and said nothing. Two days later I found her curled up reading about the Mariana Trench instead of YouTube. She’s read it twice now.”

M
Marcus T.
Father of one · Colorado
★★★★★

“I bought one for my son and ended up buying two more for my nieces. Hearing my 7-year-old casually explain photosynthesis to his grandfather over dinner was a proud parenting moment.”

E
Elena R.
Mom of three · New York
★★★★★

“My son hates reading. Period. But the short chapters and funny illustrations hooked him instantly. He finished it in three sittings without me having to nag once. A literal miracle.”

L
Linda F.
Mom of three · Florida
★★★★★

“An absolute lifesaver for my anxious overthinker. She used to spiral over the smallest schedule change. Now she shrugs it off and pivots. The change in her has been priceless.”

C
Chloe M.
Mom of one · New York
★★★★★

“I grabbed it as an extra birthday gift and it stole the show. It reads like a fun comic, but the problem-solving it teaches is absolute top-tier parenting gold.”

M
Mark D.
Father of two · California
More than knowledge

It also teaches the lesson school skips: how to be wrong, and bounce back.

1

The “perfect score” trap

School rewards the right answer first try. So when real life throws a curveball, kids freeze instead of adapting.

2

Intelligence isn’t flawlessness

History’s greatest minds were professional mistake-makers. This shows kids that failure is a stepping stone, not a verdict.

3

The golden window, ages 8–12

A child’s worldview cements here. Give them resilient frameworks now — before the playground and the feed do it for you.

4

It sticks because it’s fun

Nagging goes in one ear and out the other. Real grit is built through humour, relatable scenarios and “aha” moments.

Not just a book — an operating manual for bouncing back. 🛡️

★★★★★

“My 8-year-old dropped his entire art project on the floor. Normally a 30-minute meltdown. Instead he sighed, said ‘Well, plot twist,’ and started picking it up. I was speechless.”

Jessica T. · Mom of two · Texas · ✔ Verified
★★★★★

“Her teacher pulled me aside to ask what changed. My daughter went from tearing up over hard math to saying ‘Let’s figure this out.’ The mindset shift is night and day.”

Amanda R. · Mom of one · Ohio · ✔ Verified
★★★★★

“We now have a shared family language for bad days. When plans change, we just reference the lessons in the book. It does the heavy lifting of parenting for me.”

Tom H. · Father of three · Georgia · ✔ Verified
The details

Everything that comes in the box.

Why families love it

Ages 6–12. Perfect for the prime curiosity window.
Real answers. The why and how behind 100,000 questions.
Builds resilience. Teaches kids to pivot and navigate failure.
Beats screens. Highly visual, bite-sized chapters they want to read.
Gift-ready. Premium, durable quality for any occasion.

Shipping & delivery

Free shipping — every orderTracked via DHL
Processing time1–3 business days
United States4–8 business days
Canada · Europe4–8 business days
Australia / NZ5–10 business days
Rest of world5–12 business days

You’ll get a tracking number the moment your order ships.

100k WHYS encyclopedia spread 100k WHYS illustrated page 100k WHYS comic-style chapter 100k WHYS book detail
Give them the answers

The questions won’t stop. Now you’ll never have to say “I don’t know.”

4.9/5· 4,200+ happy parents
$0.00$9.99
🚚 Ships by Fri, Jun 19 · Free tracked worldwide delivery