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Ideal for geology enthusiasts
hands-on adventure in mechanical engineering with the Robot Factory Kit—an exciting way for kids ages 5 and up to learn how robots work
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Letters From an Astrophysicist Buttons & Pins Ideal for geology enthusiastsAstrophysicist Neil deGrasse Tyson has attracted one of the worlds largest online followings with his fascinating, widely accessible insights into science and our universe. Now, Tyson invites us to go behind the scenes of his public fame by revealing his correspondence with people across the globe who have sought him out in search of answers. In this hand picked collection of 101 letters, Tyson draws upon cosmic perspectives to address a vast array of
