Normal
A welcoming first mission for curious detectives finding their feet.
The Golden Cup has vanished from Brackenridge. Five suspects. Three evidence files. One mystery to crack.
Complete PDF kit · Color + black-and-white · US Letter + A4
▷ See the mystery in action
Five suspects. Plenty to investigate.
Let the evidence do the talking.





Read the evidence. Compare their stories. Build a case you can prove.
A look inside the actual printable game.
From the first clue to the final reveal.

Compare the teeth. Spot the wear mark. Follow what the evidence tells you. Hands-on paper puzzles turn a hunch into a case your detectives can prove.
Sample evidence. The mystery’s solution stays in the kit.
The debate over a suspect. A clue passed across the table. The grin when it finally clicks. Give them a mystery they can hold in their hands—and solve together.
SCRIPTS · HINTS · ANSWERS · REVEALSWhile the detectives follow the clues, the host helps tell the story, delivers the next twist and keeps the investigation moving. The included Host Guide gives this role its own scripts, hints and answers.
The Host Guide contains answers. Hosting is a different role from solving the mystery blind; the kit’s instructions explain how to play.
Two difficulty levels.
Hints available in both.
A welcoming first mission for curious detectives finding their feet.
A bigger challenge for a team ready to put its detective skills to the test.
Shape this case around your group. Add a mode—or keep the classic investigation.
Follow location clues to hidden envelopes.
Set a target and race against the clock.
Split the clues, then bring 3–4 players together.
Challenge another team. Prepare a set for each team.
Follow a map to retrieve the finale token.
Five ways to play this mystery, not five separate games.
Choose a callsign. Create an agent ID. Log completed cases and work your way through 10 ranks, from Recruit to Mission Legend.
Keep your identity for future Brainwave Builders adventures.
One complete mystery included. Additional cases sold separately.
Three books. One complete mystery.
All included in your download.

Print instructions, preparation guidance and the game pieces.

The story, evidence, puzzles, agent credential and mission log.

Read-aloud scripts, answers, hints and guidance for the case.
Choose your paper size and edition. Print single-sided at 100% / Actual Size, then follow the setup guide to cut and pack your evidence.
A printer, paper, pencils, scissors, tape or glue, removable tape, four opaque 9 × 12-inch document envelopes, and a lamp or bright window.
Plan preparation before play. The approximately 45 minutes is game time; printing and setup take additional time.
Bring evidence reading, reasoning and teamwork to your grades 3–6 classroom, homeschool group or enrichment session.
Hosting a group? The guide helps you check answers and release the next evidence packet.
No. This is a printable digital kit. Your download is one ZIP containing all three books in color and black-and-white, in both US Letter and A4.
No specialty locks or internet are needed during play. You will need the printing and craft supplies listed above, plus a lamp or bright window.
For group play, the host guide supports preparation, read-aloud scripts, checking answers, releasing evidence and offering hints. Read the setup guidance before deciding how to run your session.
Yes—prepare a separate player-and-component set for each team of up to four. The host guide supports running the case.
No. Normal and Hard are difficulty choices, and the five optional modes are ways to play this same case. Once someone knows the solution, it will not be a new mystery for them.
The Golden Cup has vanished from Brackenridge. Five suspects. Three evidence files. One mystery to crack.
Turn a birthday party, sleepover, family game night or classroom activity into a detective adventure. Players examine clues, tackle hands-on paper puzzles, compare suspects and build their case. Can they prove who took the cup and recover the trophy?
Start with Normal for a welcoming first mission, or choose Hard for a bigger challenge. Hints are available when your detectives need a hand.
Try Scavenger, Time Trial, Parallel Investigation, Friendly Competition or Map Trail. These are optional ways to play this mystery, not five separate games. Parallel Investigation suits 3–4 players; competing teams each need a separate player-and-component set.
Choose a callsign, create an agent identity and record completed cases in the mission log. Progress through 10 ranks, from Recruit to Mission Legend, across completed operations. Keep the same identity for future Brainwave Builders cases. This kit includes one complete mystery; additional cases are sold separately.
Bring the investigation to your grades 3–6 classroom, homeschool group or enrichment session. Players read evidence, compare suspects and discuss their reasoning. Prepare a complete set for each team of up to four.
All three books are included in color and black-and-white, in US Letter and A4. Both editions contain the same complete mystery.
Choose your paper size and edition. Print single-sided at 100% / Actual Size, then follow the instructions to cut and pack the materials. For group play, the host guide helps you read scripts, check answers, release evidence and offer hints.
You will need a printer, paper, pencils, scissors, tape or glue, removable tape, four opaque 9 × 12-inch document envelopes, and a lamp or bright window. Preparation happens before the approximately 45-minute game.
One ZIP contains the complete kit in both paper sizes and both color options. Digital download only; no physical item is shipped. Do not resell or redistribute the files. Artwork was created with AI-assisted tools and composed into the product by Brainwave Builders.

Operation Missing Trophy