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Crafted with love and a commitment to nature for nearly four decades
Learn as you play with this fascinating 100 piece floor puzzle sure to foster a Love of Bats
Each packet contains twelve sheets of 5" x 7" sun-sensitive paper
" - Literary Review Magazine
Contents: 48 cards Age: 16+ Players: 2-6
Kathrine Johnson Orbits Pin Bags Crafted with love and aKatherine Johnson was a mathematician who calculated the flight paths for many missions during her more than three decades with NASA. This pin is based on a chart Johnson created explaining how to determine where an orbiting spacecraft would land so that astronauts could be recovered. When NASA began using electronic computers to calculate flight paths, astronauts were concerned about relying on these new machines. John Glenn (the first American to
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