oshc activities
Theme days / Detective Day

Detective Day ideas for OSHC

30 DIY activities for a detective day at before and after school care or vacation care, usually run around Any time / Talk Like a Pirate Day (19 September) or Easter (March/April). Pick and mix, or build a balanced day in one click.

Build a Detective Day
Spy School · Science Week · Detective Day +1

Box Periscope

Older children build a periscope from a milk carton and two small mirrors to peek over walls like a spy.

IndoorModerateSome prepYears 4 to 6
Escape Room Day · Big Kids Club · Puzzle Day +2

Build-Your-Own Escape Room

Older children design and build a series of puzzles, then run their escape room for younger groups to solve.

IndoorModerateBig set-upYears 4 to 6
Pirate Day · Treasure Hunters Day · Escape Room Day +2

Buried Treasure Hunt

Teams follow riddle clues around the yard to dig up gold-painted rocks. A pirate adventure that combines problem-solving and teamwork.

OutdoorHighSome prepPrep to Year 6
Detective Day · Spy School · Escape Room Day +2

Cipher Scavenger Hunt

Children decode pigpen cipher clues, each one leading to the next location in a treasure trail.

EitherModerateSome prepYears 4 to 6
Easter · Treasure Hunters Day · Detective Day +1

Clue Card Egg Hunt

Children follow clue cards around the outdoor space to find hidden plastic eggs, with a final clue leading to a shared surprise.

OutdoorModerateSome prepPrep to Year 6
Detective Day · Spy School · Treasure Hunters Day +2

Community Clue Trail

Children follow a walking trail of clues held by local businesses, finishing with a group barbecue.

OutdoorModerateBig set-upYears 4 to 6
Detective Day · Spy School · Science Week +1

Crime Scene Investigation

Children examine footprints, hair samples and ink tests to work out which suspect is behind a mock crime, practising careful observation and logical reasoning.

IndoorModerateBig set-upYears 4 to 6
Escape Room Day · Detective Day · Spy School +1

DIY Escape Room

Children solve a chain of locks, codes and riddles to escape the room before time runs out.

IndoorModerateBig set-upYears 4 to 6
Down on the Farm · Animal Theme · Detective Day

Farm Animal Tracks Match

Children match footprint cards to the farm animals that made them, learning to look closely at shapes and patterns.

IndoorCalmSome prepPrep to Year 3
Slime Lab Day · Sensory Day · Detective Day +1

Feely Bag Textures

Younger children reach into mystery bags and use only their sense of touch to describe and guess what is inside.

IndoorCalmGrab-and-goPrep to Year 3
Budding Artists · Tiny Things Day · Detective Day +2

Fingerprint Characters

Children press fingerprints onto paper and turn them into tiny characters and animals with fine-line markers.

IndoorCalmGrab-and-goPrep to Year 6
Spy School · Detective Day · Science Week +1

Fingerprint Detectives

Children lift their own fingerprints using pencil graphite and tape, then compare loops, whorls and arches like detectives.

IndoorCalmGrab-and-goPrep to Year 6
Detective Day · Spy School · Science Week +1

Fingerprint Dusting Lab

Children dust surfaces for fingerprints with cocoa powder, lift prints with tape and compare them to solve a mock case.

IndoorModerateSome prepYears 4 to 6
Block World Day · Gaming Day · Treasure Hunters Day +1

Hidden Block Face Hunt

Children search the service for hidden pixel-art face cards, ticking them off a checklist as they find each one.

EitherModerateGrab-and-goPrep to Year 6
Book Week · Detective Day · Treasure Hunters Day +2

Hidden Character Search

Small printed pictures of a stripy-shirted character are hidden around the room for children to find, sharpening observation skills.

IndoorModerateSome prepPrep to Year 6
Spy School · Detective Day · Science Week +1

Invisible Ink Letters

Older children write secret messages in lemon juice, then an educator reveals them with gentle heat.

IndoorCalmSome prepYears 4 to 6
Spy School · Obstacle Course Day · Ninja Obstacle Day +2

Laser Maze Spy Training

Children crawl under and step over wool laser lines and sneak past sleeping guards in a spy obstacle course.

EitherHighSome prepPrep to Year 6
Backwards Day · Opposites Day · Spy School +2

Mirror Writing Messages

Older children write names and secret messages backwards, then use mirrors to read them, exploring reflection and letter shapes.

IndoorCalmGrab-and-goYears 4 to 6
Detective Day · Everything's Duckie · Treasure Hunters Day +1

Missing Ducks Photo Hunt

Teams follow clue cards to track down hidden toy ducks, photographing each find as evidence before moving on to the next clue.

EitherModerateSome prepPrep to Year 6
Detective Day · Escape Room Day · Spy School

Missing Snack Whodunnit

Teams interview educator suspects and examine clues to work out who took the snacks, building teamwork and deduction skills.

IndoorModerateSome prepYears 4 to 6
Detective Day · Spy School · Coding Unplugged +1

Morse Code Messages

Children learn Morse code and send secret messages to each other by tapping, buzzing or flashing torches.

IndoorCalmGrab-and-goYears 4 to 6
Detective Day · Treasure Hunters Day · Spy School +1

Mystery Clue Trail

Teams collect clues hidden around the site and piece them together to solve a case, combining movement with problem-solving.

EitherModerateSome prepYears 4 to 6
Bonza Bottler Day · Treasure Hunters Day · Detective Day

Number of the Day Hunt

Younger children hunt the room for hidden cards showing the day's number, practising number recognition.

IndoorModerateGrab-and-goPrep to Year 3
Detective Day · Spy School · Paper Crafts Day

Pocket Detective Notebooks

Children make a small stapled notebook with a home-made badge on the cover, ready to record clues throughout the day.

IndoorCalmGrab-and-goPrep to Year 6
Spy School · Detective Day · Escape Room Day +2

Secret Decoder Wheels

Older children make a two-layer cipher wheel and use it to encode and decode secret messages.

IndoorCalmSome prepYears 4 to 6
Detective Day · Dramatic Play Day · Spy School

Suspect Line-Up

Educators dress up as suspects and children question them, listen for inconsistencies and vote on who did it.

IndoorModerateSome prepYears 4 to 6
Spy School · Detective Day · Puzzle Day +1

What's Missing Memory Game

Children study a tray of objects, close their eyes while one is removed, then try to spot what's gone.

IndoorCalmGrab-and-goPrep to Year 6
Wild West Day · Detective Day · Country Day

Wild West Wanted Posters

Children make old-style wanted posters featuring their own photo or drawing, with a silly 'crime' and a reward.

IndoorCalmSome prepPrep to Year 6
Ancient Egypt · Time Travellers Day · Spy School +2

Write Your Name in Hieroglyphs

Children use a picture-symbol alphabet chart to write their names the ancient Egyptian way, exploring how early writing systems worked.

IndoorCalmGrab-and-goPrep to Year 6
Vikings Day · Spy School · Time Travellers Day +1

Write Your Name in Runes

Children use a rune alphabet chart to write their names and secret messages, exploring how people wrote long ago.

IndoorCalmGrab-and-goYears 4 to 6