with the perfect blue-spruce pop-color inside

Make notes on the number of flies your venus flytrap has digested

this Periodic Table Turkish Towel is here so you can wrap yourself in the elegance and organization of a quintessential chemistry tool

Microbiology

Perfect for long days of bird watching or patient vigils waiting for a glimpse of an elusive specimen

The Ripple Mark Pen baking science with the perfect blue-spruce pop-colorRipple marks are patterns left below moving water or wind, and by studying them, scientists can learn a lot about the area's geography. These patterns can tell us about the depth of water above the ocean floor or riverbed, which direction the flow of water or air was going, how fast, whether there were waves or storms, and a whole lot more. The Ripple Mark is a capped metal body pen with textures reminiscent of ripple marks. Use it to conquer your