Eye Spy by Abhinav Bothra

Convert a card box into a peek device. You can carry all the cards (52+2) inside. You can also casually show the card box front and back. It is easy enough that even a 10-year-old can make it in under 10 minutes. Activation takes less than a second and deactivation is just as quick. Welcome...to...Eye Spy.

Making time: under 10 minutes
Repair time (if ever needed): under 10 seconds.
Peek size: Almost 90% of the size of a playing card.
1st edition 2022; PDF 7 pages; video 15 min.
word count: 854 which is equivalent to 3 standard pages of text