EXTRA, the marketplace for scientific touring exhibitions.
It’s an incredible journey into the world of logical puzzles and jigsaws. It’s an area for imagination where shapes are built from tangrams, blocks and straws.
You can experience an illumination and feel supreme satisfaction when you succeed in finding a solution to a challenging task. Even if you are afraid of maths, you will enjoy this independent active approach to tricky questions.
You can find the instructions to most of stands in tablet applications. The exhibition texts can be translated to any language you will choose.
http://www.hewelianum.pl/en/exhibitions/traveling-exhibitions-for-rent