The DEMO version only includes 4 pages:
http://romanbluma.pl
http://romanbluma.pl/dzialanie-ukladu-hormonalnego-scenariusz-lekcji.html
http://romanbluma.pl/szybkie-tlumaczenia-j-niemiecki.html
http://romanbluma.pl/walizki-na-kolkach-w-biedronce.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com to buy a fully functioning site.
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