Hint 01

A yellow and blue fish you say, but I don’t see fish of those colours on the front?! Don’t think too difficult, try to combine all of your puzzle-instincts.

Solution of this Step
The yellow and blue fish swim happily on the bottom left corner at the back of the Card. What can we do with these colours? Think in paint. Yellow+Blue=Green. Green fish can be found swimming through the waters on the front of the card!

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