Additional chemical reactions have been modeled with LEGO bricks - students build the reactants and products using a layout mat. Additional Reaction Mats The MIT Edgerton Center has developed additional mats for the classroom: Epsom Salt and Ammonia Reaction Mat Iron and Oxygen Reaction (Rusting) Mat Baking Soda and Vinegar Reaction Mat Trichloroethylene Pollution Cleanup Mat Toxic Mercury in Our Environment Vog Mat
