Robotics
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Magic Sand (Blue)
443Magic Sand is regular sand which has been dyed and coated with a hydrophobic substance — a substance which repels water. Oil, for example, is a hydrophobic substance. Pour a little oil into a cup of water and the oil does not mix; it simply floats to the surface. Magic Sand works just the same way except that Magic Sand sinks. The coating on the outside of the magic sand repels water and keeps the sand dry! To store, simply remove the sand from the water with a spoon… it is perfectly dry! …
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Smithsonian Motor-Works
300About Group Sales, Inc Since 1991, Group Sales, Inc has strived to become the first provider in quality toys and gifts by meeting the challenge with the finest products at competitive prices. Group Sales, Inc has diversified their portfolio of products for customers of all ages and interests by becoming the US distributor for brands such as New Bright’s remote controlled line, or the arts and crafts products of NSI. Group Sales, Inc even supplies top-of-the-line products for pets from Zaidy. …