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 are right in your house, and with just a bit of salt, you’ll create a colorful experience that will have young scientists understanding density in moments.
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Sick Science! Rainbow Straws
Original price was: $8.39.$5.16Current price is: $5.16.
Free shipping on orders over $50Availability: 81 in stock









