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Rainbow Straws

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Quick Overview

Explore the science of density with a SICK Science favorite - Salt Water Density Straws. Stack colored layers of water on top of each other as you experiment with density and color mixing. All SICK Science kits come with online access to instructional videos.


Availability: In stock


Learn all about density. It can be a difficult scientific property to grasp, that's why we like making it colorful, fun, and (most importantly) simple! The Salt Water Density Straw is the epitome of kitchen science. You'll use materials from your house, and with just a bit of salt, you'll create a colorful experience that will have young scientists understanding density in moments. Based on the viral YouTube series called SICK Science. Recommended for children ages 10 and up.

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