Product Features Water Won't Wet It! Amaze and delight your science class! Pour this red sand into water. As you scoop it out and it breaks through the surface of the water, you can see that the sand isn't wet. The spoon is wet. Your fingers, if you used them, are wet. The sand is dry! The hydrophobic granules created with trimethylhydroxysilane are always dry. They call it Space Sand" We would, too, if we had to write trimethylhydroxysilane very often. See the back of the 2-oz pack for information about it and suggestions for experiments Our Recommended Age: 36 months - 99 years Manufacturer Recommended Age: 36 months - 99 years
