The quartet game is the introduction game for every subject! With Kwartool you can play (and create) a quartet game digitally. The traditional Dutch and well-known quartet game has been used for decades as a 'learning game for random subjects'. Let your guide Louis lead you and play a quartet with each other. Using quartool in the classroom? Then take a quick look at Kwarttool.nl for the didactic kickstarter. This contains ideas and teaching methods for using a quartet game (online or physical)