Single case
$9
One complete printable mystery with evidence, activities, verdict, and answer guide.
Pick a caseDownloadable mystery investigations
Turn curious minds into case solvers.
ClueSpark makes science, math, and history feel like an escape room. Download a complete case, follow the evidence, and defend your verdict.
Designed for ages 9–16, families, homeschoolers, and classrooms.
Case File 001
The Pharaoh’s Impossible Shadow
One measurement could expose a forged archaeological report.
The ClueSpark promise
Intrigue first. Learning follows.
01
Evidence-led puzzles, not busywork
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Clear answer guides for grown-ups
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Instantly downloadable and printable
The field guide
Start with a subject. Follow the evidence.
The ClueSpark archive connects big ideas across science, math, and history. Some are ready to open; others are still being built into full case files.
Explore the archiveInside every investigation
A complete story, hidden inside the evidence.
Each case moves with the pace of a mystery while asking investigators to measure, calculate, experiment, question sources, and explain what they think happened.
First dossier
The Pharaoh’s Impossible Shadow
Use geometry, astronomy, historical evidence, and measurement conversions to test an archaeologist’s extraordinary claim.
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Open the case
A dramatic, historically grounded mystery gives investigators a reason to care before the learning begins.
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Examine the evidence
Maps, timelines, measurements, documents, graphs, and experiments turn facts into clues.
- 03
Build a theory
Investigators combine science, math, and history, compare explanations, and defend a verdict.
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Reveal what fits
The guide explains the strongest conclusion—and clearly marks what history still cannot tell us.
Choose your investigation
Start with one case. Build a whole archive.
Straightforward digital pricing for independent investigators, families, and educators.
Themed bundle
$29
A connected set of mysteries for a deeper run through ancient engineering, survival science, timelines, or space-race history.
- Multiple complete case files
- Printable evidence folders
- Parent and teacher answer guides
Classroom license
From $49
Permission to print and use selected investigations with one classroom or learning group.
View licensesYour verdict is due
The evidence is waiting. Will you spot the clue?
Choose a downloadable investigation and turn the next stretch of screen time, family time, or class time into a mystery worth debating.