The DEMO version only includes 4 pages:
http://themathlab.com
http://themathlab.com/vidoes/list.html
http://themathlab.com/games/paintbylogic/Paintbylogic.html
http://themathlab.com/StandardizedTestPrep/PracticeAtticMiddleSchoolLevel/roadmaptopract.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/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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