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For schools and libraries

30 mysteries. Every child is the detective.

A puzzle book for ages 8 to 12. Logical thinking, calm reading and solving together, with no murder and nothing scary.

Ages 8–1276 pagesIn Dutch
€9.99 per bookLarger orders on request
MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
30mysteries
30hint puzzles
24cut-outs
1practice case

Why in the classroom?

Logical thinking

Who stood where? Children reason step by step on a floor plan.

Reading with a goal

Short sentences and plain words. Every clue counts.

Alone or together

Quiet work, or solving together in a small group.

Grows with them

From easy to extra hard. Every child starts where they can.

Look inside the book

Real pages from the test edition (Dutch)
The practice case with instructions
A practice case shows how
The practice case step by step
Step by step, with pictures
Case 2: the suspects and their clues
Case 2: who told the joke?
Case 2: the floor plan of the house
Floor plan and notes grid
Case 3 at the farm
Case 3 is set on a farm
The floor plan of the farm
Every case on two pages
Hint puzzles: word search and maze
Hints: word search, maze
Hint puzzles: count the code and secret code
Hints: count, secret code
Figures to cut out
Figures to cut out

Swipe for more

Four hint puzzles

Stuck? Solve a mini puzzle. It tells you who to start with.

1

Maze

Which name leads to the magnifying glass?

Maze: Which name leads to the magnifying glass?
2

Secret code

Every picture is a letter.

Secret code: Every picture is a letter.
3

Crack the code

Count things on the floor plan.

Crack the code: Count things on the floor plan.
4

Word search

One name runs from top to bottom.

Word search: One name runs from top to bottom.

Where can you stand?

Green: you can stand or sit on it. Red: you can only stand next to it. Every child sees it at once.

A green box with rug, sofa, armchair, bed and chair; a red box with sink, cooker and table
Free

Try a case first

Print case 2 and play it with your class. No account, no email.

Download the case (pdf)

Choose your cover

The same 30 cases, five covers.

MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
School
MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
Football pitch
MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
At home
MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
Kitchen
MurdXJUNIOR
WHO DID IT?
30 MYSTERIES FOR SMART KIDS
?
AGE 8–12
BY THE MAKERS OF MURDX
Campfire
For schools

Order for your class

On invoice, with a custom price for larger orders. Delivery in the Netherlands and Belgium.

  1. Ask for a quoteQuantity, cover and date.
  2. Get your quoteWe do our best: within 48 hours.
  3. Delivered to schoolPay on invoice.
1 book€9.99
Larger ordersOn request

The book is still being finished. Ask for a quote now; we deliver as soon as it is ready.

Ask for a quote

For one child?

The book is also sold on its own, €9.99.

Questions

What age is it for?

Ages 8 to 12. The first cases are easy, the last ones extra hard.

Is it about murder?

No. A cake goes missing, or someone tells a joke. Exciting, never scary.

Do you need a screen?

No, and no account either. Everything is in the book, including the answers and how to solve them.

How long does a case take?

An easy case takes a few minutes. An extra hard case fills a lesson nicely.

Where do you deliver?

In the Netherlands and Belgium, to the school’s address.

€9.99 per bookGet a quote