The mixture is 98% natural sand and 2% "magic"—otherwise known as a synthetic polymer called Polydimethyl Siloxane which helps it mimic the physical properties of wet sand. The polymers keep the sand bonded and make clean up super easy.
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This "executive" gadget is an exquisite piece of work that's been called “the iPhone of desk toys.” Made with materials including used titanium, tellurium copper, and zirconium, the Torqbar feels solid in your hands—its metal edges are smoothed out, and its ball-bearing assembly makes no noise.
In September 2015, creator Scott McCoskery sold his first Torqbar online for about $300, and by the next year, had a full-blown business. Today, it is sold in versions that start at $139 and can reach $800 for custom-made gadgets in which the buyer chooses the material and finish on the metal.
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33D Printed Magnetic Pyramid
The almost trophy-looking toy sits on one of its points within a stand meant for display on an executive desk. It features two pyramids—one internal and one external—as well as four separate detachable elements for each of the three levels that make up the pyramid. It uses neodymium magnets to hold it together and is definitely unlike anything we've ever seen before.
This unique fluid is teased from within its container using supplied magnetic wands. Watch the video below to learn more about how it works! (Source)
Where do you get one of these fun time-wasters, you ask? They're being sold via van Deventer's website, but their not cheap—they are about $230 for a custom 3D-printed model.
“Inspired by space missions,” the toy uses “simple physics” to make a slider fall at a rate equivalent to that of the gravity of the moon or Mars. Created with the “latest cutting edge technology using precision CNC machining,” the Moondrop is made from aerospace grade aluminum (except the Mars' slider which is made out of pure copper.) The magnets inside create forces that slow down the slider, seamlessly mimicking the gravity of either the moon or Mars.
More desktop art than toy, the Tungsten Sphere comes with a 3D-printed red display base. The sphere is about 95% pure tungsten with an alloy of iron and nickel to make up the rest and costs about $250. (Source)