science marvels
“We are more ready to try the untried when what we do is inconsequential. Hence the fact that many inventions had their birth as toys.” — Eric Hoffer
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Solar Einstein PhiTOP Constellation Mug Playable ART Helicone Satellite View MOVA globe
speks Kugel Spirals and Kugel Pendels plasma ball magnets optic wonder
magnetic hourglass Full Moon Light thinking putty dreamlights Newton's Cradle