Robert A. Williams
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Mudpies to Magnets: A Preschool Science Curriculum
Robert A Williams; Robert E Rockwell
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View 33 offersUS$ 5.09
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More Mudpies to Magnets: Science for Young Children
Robert A Williams; Robert E Rockwell
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View 32 offersUS$ 5.01
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The Preschool Scientist: Using Learning Centers to Discover and Explore Science
Williams, Robert A; Sherwood, Elizabeth; Winnett, David
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View 9 offersUS$ 6.84
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Science Adventures: Nature Activities for Young Children
Sherwood, Elizabeth; Williams, Robert A
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View 9 offersUS$ 6.48
