Post-it Notes may not have been created by a Kentuckian ... you could have any size or color that you wanted – as long as it was 3x3 and yellow. Today, 3M makes over 300 different Post-it ...

Let’s investigate the stickiness of Post-It Notes! Take a new Post-It Note and stick it to a smooth, dry, and clean surface. Then remove the note and re-stick it to the surface in the same place.