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29 cases available this month
The phantom performance
A poster advertises a performance two hours early and preserves a signature nobody wrote.
The door that accepted odd numbers
The demonstration lock accepted one specific property of the cards.
The cord around the case
The missing parcel was tied with a fixed-length piece of cord.
The voice on channel three
An unauthorised announcement retains the channel it was broadcast from.
Six pieces, one trip
The missing set had to fit entirely inside one of three rigid bags.
The receipt in the second series
A false receipt retains its position within a printing sequence.
The one-minute visit
Two visits fall outside the brief interval in which a key disappeared.
What could not be seen
Someone claims to have read a detail that remained hidden inside a package.
The punched voucher
A duplicate voucher retains a mark its maker could not erase.
The trolley's route
A trolley entered the grounds when two of the three entrances were already closed.
The missing slice
One tray returned with a slice missing from the distribution totals.
The window that would not open
An explanation involving a draught clashes with a renovation nobody should have forgotten.
A delivery on Tuesday
Someone claimed an impossible delivery, and only one statement contradicts the workshop's opening hours.
The scarecrow's scarf
The scarecrow appeared wearing a borrowed scarf whose sequence of colours is still visible.
The boots on the backdrop
A complete footprint was left on the freshly painted backdrop, and all three people admit wearing boots.
The key in the ice
Someone hid a key in an ice tray that was used at only one of the three workstations.
The cat on the radio
A meow interrupts the news and leaves a recognisable sequence in the recording.
The guest’s chair
The reserved chair ended up in the storeroom, and its number reveals which row it came from.
The portrait umbrella
A borrowed umbrella comes back with a decoration that reveals who took the original.
The fan’s petals
A reserved fan ended up in a bag. Its repeating design preserves its petal count.
The three-letter stamp
A card bears three stamped letters. Their visible pattern rules out two explanations.
The silent bag
An instrument was hidden in a bag. A sound test identifies which one.
The forbidden shelf
A borrowing card makes two true statements. Together they identify the shelf visited.
The notch in the card
A card fell behind the ballot box. Its edge retains a mark that cannot be changed.
The phrase that was too short
A cover received the wrong slogan. Its length reveals which proof it came from.
The green sample
The final colour identifies the bottle used to alter the sample.
The mark on top
One line crosses another. Their order disproves an alibi.
The empty trays
Partly filled trays reveal who took the last tartlets.
Four beginnings
A note hides a locker’s name in plain sight.