Eefje Smit (Fontys University of Applied Sciences) conducted a workshop on a congress for primary school teacher trainers, organised by the network for ‘sustainable primary school teacher trainers’ (www.duurzamepabo.nl). At the congress, a new book with ’32 lessons for the future’ was presented. Martin de Wolf (Fontys) wrote one of these 32 lessons, based on the ThreeC didactical ideas. Eefje’s workshop was visited by 15 teacher trainers from the Netherlands. During the workshop, teacher trainers exchanged ideas based on ThreeC didactics. Here the presentation of Eefje Smit (in Dutch) Workshop Teacher training primary school.