In Simple Machines: Pulley, young learners in grades 1-3 will explore what a pulley system is and why it is so useful. This 24-page title uses real-world examples of simple machine mechanisms and explains how these feats of engineering can make daily work less difficult to complete.
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In Simple Machines: Pulley, young learners in grades 1-3 will explore what a pulley system is and why it is so useful. This 24-page title uses real-world examples of simple machine mechanisms and explains how these feats of engineering can make daily work less difficult to complete.
Read Less
