National Geographic 12 Days of Science: Geology & Science Kit for Grades 2-11 with Activity Guide Mark Redmond and sturdy

and sturdy

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National Geographic 12 Days of Science: Geology & Science Kit for Grades 2-11 with Activity Guide Mark Redmond and sturdyMake the holidays magical with the National Geographic 12 Days of Amazing Science Countdown Calendar! This exciting holiday calendar comes with 7 astounding science experiments and 5 real rock specimens! Kids will explore the wonders of pH science, create a squiggly centipede, dissect a brain, and a whole lot more! Plus, they? ll get to examine amazing specimens like pyrite, tiger? s eye, and a real rose quartz! Kids will even learn about the science