この商品を友人に教える:
Magnets Gina Hagler
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Magnets
Gina Hagler
Introduces the study of magnets and the steps in the scientific method and outlines simple experiments that demonstrate the basic principles of magnetism and how scientists work.
この商品を友人に教える:
Introduces the study of magnets and the steps in the scientific method and outlines simple experiments that demonstrate the basic principles of magnetism and how scientists work.