Stephen Eric Young - Algebra
A three hit wonder set!

HIT 1
A set of 36 'Testing Cards' custom printed on 300gsm playing card stock.
7cm square format (to get away from the playing card look)
Grey and white backs with a secret system that will allow the performer to know which card is in play.
HIT 2
A set of 50 Blank-faced 7cm square cards using the same ingenious marking system, so a performer can add his own memorised words or images to the faces.
HIT 3

A Poker sized deck of playing cards using the same marking system to enable a performer to know the identity of a chosen card.

What is it?
Algebra is ESP cards taken to the ultimate level.
Why reveal one of five shapes....when you can reveal sooooooooo much more.
With this set of 'Testing Cards' from some obscure facility somewhere;
you can reveal more information than you ever dreamed of.
And easily too.

A set of 'Testing Cards' custom printed on 300gsm playing card stock.
7cm square format (to get away from the playing card look)
Grey and white backs with a secret system that will allow the performer to know which card is in play.
On the front, a whole host of data.
Two shapes Two colours A time An alpha-numerical code
Plus!!!
two extra decks; one playing cards and one blank faced for your own designs/words

What you get

All using the same secret marking system.
And a PDF of instructions explaining multiple routines and methods for revealing all the data without needing to memorise any of it.