""Zap"" chlorophyll with a photon and demonstrate the light reaction the dark reaction cyclic and non-cyclic phosphorylation dissociate water and reduce NADP and NADPH all on the demonstration board (4 enlightening demonstrations) Comes complete with 30"" X 40"" demonstration board mounting legs teacher s guide with detailed lesson plans plus reproducible student worksheets, American Educational Products have a lead ship time of 21 days, SKU: AMED1875