5.0 Introduction

We all love a good puzzle or illusion. They make us pause and think, ask us to question what we consider possible and give us a few moments of personal contemplation.

As a type of promotional device, they have a great advantage because they invite prolonged interaction. They invite people to play with them, to question and to problem-solve … and by doing so, encourage a greater involvement with what is presented on the object (a message, information, etc.). In turn, this makes what is presented more memorable, which of course, is the point of it all.

Puzzles and illusions can take many diverse forms. Those presented in the chapter have been chosen for their quality, fun appeal and the ease with ...

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