The stencil allows the study of the various educational aspects listed below: 1- Bond-line structures 2- Geometric isomerism of carbon-carbon double bond and small cycles 3- Newman projections (conformers and optical isomers) 4- Sawhorse structures (conformers and optical isomers) 5- Three dimensional structures (Wedge/Dash) 6- Conformations of cyclohexane, oses and osides 7- Fischer projections 8- Haworth formula