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Simple Science Experiments With Circles
Eiji Orii, Masako Orii, Kaoru Fujishima
Library Binding (Gareth Stevens Pub, Feb. 1, 1989)Presents experiments demonstrating properties of circles and loops made of cloth, paper, and string
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Simple science experiments with circles
Eiji Orii
Paperback (Gareth Stevens Children's Books, March 15, 1989)None