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What we learned building puzzle generators — grid sizes that actually work, print settings that avoid common KDP upload problems, and how to turn a word list into something worth printing.

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Featured illustration for Selling printables: Etsy or Amazon KDP?
LatestSelling·By Hamza Hassni·August 26, 2026·7 min read

Selling printables: Etsy or Amazon KDP?

Two completely different businesses that look similar from the outside. What each one rewards, and which suits what you make.

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Featured illustration for Handwriting practice sheets: what actually helps a child improve
Classroom

Handwriting practice sheets: what actually helps a child improve

Line size by age, how much repetition is useful before it stops working, and why tracing alone is not enough.

By Hamza Hassni·August 26, 2026·6 min read
Featured illustration for How to make award certificates that children keep
Classroom

How to make award certificates that children keep

Wording that means something, what to put in each field, and why the specific certificate outlasts the generic one.

By Hamza Hassni·August 25, 2026·6 min read
Featured illustration for How to make a printable calendar that is actually useful
How-To

How to make a printable calendar that is actually useful

Setting the year, month and week start, choosing portrait or landscape, and the layout decisions that determine whether anyone writes on it.

By Hamza Hassni·August 24, 2026·5 min read
Featured illustration for How to make printable flashcards online for free
How-To

How to make printable flashcards online for free

Why flashcards work, how to write ones that actually stick, and getting the cutting and folding right the first time.

By Hamza Hassni·August 24, 2026·6 min read
Featured illustration for Team-building puzzles that adults do not resent
Ideas

Team-building puzzles that adults do not resent

Most corporate icebreakers fail for the same reasons. What actually works with a room of adults who did not choose to be there.

By Hamza Hassni·August 23, 2026·6 min read
Featured illustration for How to make a printable quiz online for free
How-To

How to make a printable quiz online for free

Writing questions that test what you meant to test, how many to include, and getting the answer key out cleanly.

By Hamza Hassni·August 22, 2026·5 min read
Featured illustration for Making puzzles easier to read: practical accessibility
Classroom

Making puzzles easier to read: practical accessibility

Small design choices that decide whether a puzzle is workable for a struggling reader — font, spacing, contrast and grid density.

By Hamza Hassni·August 21, 2026·7 min read
Featured illustration for Planning a year of seasonal puzzles (and why October is too late for Halloween)
Selling

Planning a year of seasonal puzzles (and why October is too late for Halloween)

Seasonal demand is the largest predictable swing a printables maker sees. When to prepare each theme, and which seasons are worth the effort.

By Hamza Hassni·August 21, 2026·7 min read
Featured illustration for How to make bingo cards online for free
How-To

How to make bingo cards online for free

Custom bingo for a classroom, a party or a team meeting: why every card must be different, how many you need, and what to do about the call list.

By Hamza Hassni·August 20, 2026·6 min read
Featured illustration for How to make a cryptogram online for free
How-To

How to make a cryptogram online for free

Turn any phrase into a letter-substitution puzzle: choosing a quote that can be solved, how many letters to reveal, and printing it so there is somewhere to write.

By Hamza Hassni·August 19, 2026·6 min read
Featured illustration for How to make a printable maze online for free
How-To

How to make a printable maze online for free

Choosing a size and shape, why every maze here is the best of twenty-five, and what to do about the child who has worked out the wall trick.

By Hamza Hassni·August 19, 2026·5 min read
Featured illustration for How to make a printable sudoku online for free
How-To

How to make a printable sudoku online for free

Generating a sudoku with a guaranteed single solution, choosing between 4×4, 9×9 and 16×16, and getting the answer key right.

By Hamza Hassni·August 18, 2026·6 min read
Featured illustration for How to make a word search online for free
How-To

How to make a word search online for free

From a list of words to a printable sheet: grid size, which directions to allow, styling the answer key, and the settings that matter for print.

By Hamza Hassni·August 17, 2026·6 min read
Featured illustration for How to make a crossword puzzle online for free
How-To

How to make a crossword puzzle online for free

A step-by-step walkthrough: entering your words and clues, letting the grid build itself, adjusting cell size, and exporting a printable PDF with the answer key.

By Hamza Hassni·August 17, 2026·6 min read
Featured illustration for Planning a week of homeschool printables without burning out
Classroom

Planning a week of homeschool printables without burning out

How to build a week's worth of material in one sitting, what to reuse, and the trap of making everything from scratch every Sunday.

By Hamza Hassni·August 14, 2026·7 min read
Featured illustration for Ten classroom time-fillers you can print in two minutes
Classroom

Ten classroom time-fillers you can print in two minutes

For the fire drill that ate twenty minutes, the class that finished early, and the cover lesson you were handed at the door.

By Hamza Hassni·August 13, 2026·7 min read
Featured illustration for Word scramble or missing letters? They are not interchangeable
Classroom

Word scramble or missing letters? They are not interchangeable

Two puzzle types that look similar and train different things. A short guide to which one to reach for.

By Hamza Hassni·August 13, 2026·6 min read
Featured illustration for Choosing a cryptogram quote that can actually be solved
How-To

Choosing a cryptogram quote that can actually be solved

Cryptograms live or die on the quote. Which ones give a solver a foothold, which ones are a wall, and how many letters to reveal.

By Hamza Hassni·August 12, 2026·6 min read
Featured illustration for Wedding table puzzles that do not end up in the bin
Ideas

Wedding table puzzles that do not end up in the bin

Table puzzles are one of the cheapest ways to get a room talking during the long gaps. What makes guests actually pick one up.

By Hamza Hassni·August 11, 2026·4 min read
Featured illustration for Running a puzzle as a classroom game instead of a worksheet
Classroom

Running a puzzle as a classroom game instead of a worksheet

The same puzzle behaves completely differently depending on how you hand it out. Five formats that turn a printable into an activity.

By Hamza Hassni·August 11, 2026·6 min read
Featured illustration for Why the second puzzle book sells better than the first
Selling

Why the second puzzle book sells better than the first

Single puzzle books rarely find an audience. A series does — and the reasons have more to do with how people browse than with puzzle quality.

By Hamza Hassni·August 10, 2026·7 min read
Featured illustration for PDF, PNG or SVG: which export for which job
How-To

PDF, PNG or SVG: which export for which job

A short decision guide. Which format to use for printing, for a website, for a book interior, and the one mistake that costs the most.

By Hamza Hassni·August 7, 2026·4 min read
Featured illustration for Vocabulary puzzles for English learners: what works, and what quietly backfires
Classroom

Vocabulary puzzles for English learners: what works, and what quietly backfires

Word puzzles are a staple of language classrooms, and some of them teach the wrong thing. Which puzzle types reinforce learning and which just test spelling.

By Hamza Hassni·August 6, 2026·7 min read
Featured illustration for The baby shower word search that guests actually finish
Ideas

The baby shower word search that guests actually finish

Most party puzzles get abandoned after four words. A short guide to word choice, size and timing so yours does not join them.

By Hamza Hassni·August 6, 2026·6 min read
Featured illustration for How to write crossword clues that are not just definitions
How-To

How to write crossword clues that are not just definitions

The difference between a clue and a dictionary entry, how to pitch difficulty, and the specific habits that make a homemade crossword feel professional.

By Hamza Hassni·August 5, 2026·8 min read
Featured illustration for Large print puzzles: what it actually means, and who gets it wrong
Selling

Large print puzzles: what it actually means, and who gets it wrong

Large print is not a bigger font on the same grid. What the term means to the people who buy it, and how to make a puzzle that earns the label.

By Hamza Hassni·August 5, 2026·6 min read
Featured illustration for Maze size by age: a guide that survived being measured
Classroom

Maze size by age: a guide that survived being measured

Which maze size suits which child, why two mazes at the same size can differ wildly in difficulty, and the trick every kid eventually discovers.

By Hamza Hassni·August 4, 2026·6 min read
Featured illustration for What actually makes a sudoku hard (it is not the number of blanks)
How-To

What actually makes a sudoku hard (it is not the number of blanks)

Removing more numbers does not make a sudoku harder — past a point it makes it unsolvable or ambiguous. What difficulty really depends on, and what to check before you print.

By Hamza Hassni·August 3, 2026·7 min read
Featured illustration for The 68% rule: when a word search quietly stops being solvable
How-To

The 68% rule: when a word search quietly stops being solvable

Pack too many words into a grid and the filler letters start spelling your words by accident. Here is where that begins, and what it does to your answer key.

By Hamza Hassni·August 3, 2026·5 min read
Featured illustration for How to make and sell a word search book on Amazon KDP
Selling

How to make and sell a word search book on Amazon KDP

A practical walkthrough: choosing a trim size, meeting KDP's margin rules, how many puzzles a book needs, building the interior, and the mistakes that get files rejected.

By Hamza Hassni·August 2, 2026·9 min read
Featured illustration for What size word search puzzle for each age group
Classroom

What size word search puzzle for each age group

How many words actually fit in a 10×10, 15×15 or 20×20 grid, why a puzzle can become unsolvable, and which size suits each age — with measured numbers.

By Hamza Hassni·August 1, 2026·7 min read
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