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Ring ring! Give the cards a call, they’ll tell you which one is yours!
This smart card can find the card the spectator picked, every time. Incredible!
Turn over, add up and impress!
Red or black? One question is all it takes to wow you!
With a few operations, find the values of the three dice!
What if you had the ability to see through dice?
Can you be quicker than a calculator?
Tick tock! What time is it? Time to find your number!
This arithmetical triangle can guess your card every time!