In Simple Machines: Wheel and Axle, young learners in grades 1–3 will explore why the wheel and axle might just be the MVP of simple machines. This 24-page title uses real-world examples of simple mac
In Simple Machines: Screw, young learners in grades 1–3 will explore what a screw is and how it is useful. This 24-page title uses real-world examples of simple machine mechanisms and explains how the
In Simple Machines: Wedge, young learners in grades 1–3 will explore what a wedge is and how it is useful. This 24-page title uses real-world examples of simple machine mechanisms and explains how the
In Simple Machines: Inclined Plane, young learners in grades 1–3 will explore what an inclined plane is and how it is useful. This 24-page title uses real-world examples of simple machine mechanisms a
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 expl
