THE FIRST SNACKLE001
SPATIAL THINKING
Three Queens
Can three queens cover every square?
Tap to place · Optional timerReady to play
A BRAIN SNACK FOR CURIOUS MINDS
Small puzzles.
Lovely discoveries.
Make a move. Test a hunch. Find the moment it clicks.
A collection of playful problems in maths, science and logic—with room to think, hints when you need them, and an idea to take away.
Free to explore. No account needed.
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THE PUZZLE SHELF
Pick a little challenge.
Three new puzzles to explore.
Sixteen on the shelf.
015 / GEOMETRYNEW · PLAY NOW
Triangle Threads
Draw as many lines as possible. Keep every endpoint separate.
Find a construction. Prove its limit.016 / LOGICNEW · PLAY NOW
The Unreliable Counter
Four boxes, six noisy readings. Can uncertainty force a precise total?
Find possible counts. Explain every reading.017 / NUMBER PLAYNEW · PLAY NOW
Nothing but Sevens
One digit. Only addition. Reach 2023 in the fewest possible terms.
Build a sum. Let the last digit guide you.011 / STRATEGYPLAY NOW
The Two-Stack Library
Ten volumes. Two stacks. Can you sort them in nineteen moves?
Move a block. Protect a sorted foundation.012 / GEOMETRYPLAY NOW
Nine Pieces of Five
A big 5. Nine pieces. Can every small shape be different?
Mark out the pieces. Discover their identities.013 / LOGICPLAY NOW
The Limping Rook
Reach another corner. Take twice as many vertical steps as horizontal.
Draw a route. Find the constraint.014 / NUMBER PLAYPLAY NOW
Eight Sums on a Cube
Six face numbers. Eight corner sums. Can they march in step?
Number the net. Uncover three switches.001 / SPATIAL THINKINGPLAY NOW
Three Queens
A small chessboard, three queens, and everywhere to reach.
Explore the board. Discover the idea.002 / GEOMETRYPLAY NOW
Break the Rectangles
Nine squares. Seven gaps. Can you leave no rectangle?
Remove the sticks. Find the hidden shapes.003 / NUMBER PLAYPLAY NOW
Make 2023
Six digits, a handful of operations, and a surprising destination.
Build an expression. Follow your own route.004 / GEOMETRYPLAY NOW
Same Perimeter, Different Shapes
Seven rectangles. One boundary length. Can you make them fit?
Draw the pieces. Discover what area reveals.005 / STRATEGYPLAY NOW
Even Neighbours
Sixteen cells. One rule. Can you plan a way to paint them all?
Every move changes the next.006 / NUMBER PLAYPLAY NOW
The Pair-Sum Trick
Choose ten numbers so every pair has a different sum.
Make forty-five unique fingerprints.007 / NUMBER PLAYPLAY NOW
Squares Inside a Triangle
Nine numbers. Three overlapping regions. Make every total a square.
See the overlap. Find the balance.008 / NUMBER PLAYPLAY NOW
Mirror Sum
Make 2023 with numbers that read the same in both directions.
Find a short sum. Prove it is the shortest.009 / GEOMETRYPLAY NOW
Different Rectangles
Six rectangles. Six different areas. Fill a 7 × 7 board without narrow strips.
Count the areas. Plan the whole board.A QUESTION. THEN A DISCOVERY.
The answer is
only half the fun.
Every Snackle has a second act: an explanation you can explore. See what worked, why it worked, and where the idea leads.
See inside our first puzzle- 01
Have a go.
Start with a question and a few clear rules. Race the clock or take your time.
- 02
Follow a hunch.
Move things. Notice a pattern. Ask for a nudge when you want a fresh angle.
- 03
Take the idea with you.
Unpack the puzzle with a visual explanation. Leave with something you can explain to someone else.