Simple machines set lets students construct and examine simple machines to develop a deeper understanding of how they make work easier. Set includes enough pieces to build a lever, pulley, inclined plane, wheel and axle, and wedge at the same time. Included weights help children explore effort, force, load, motion and distance for a more expansive way to learn. Labeled pieces assemble easily and separate for convenient storage. Included activity guide helps encourage a fun learning experience. Set is designed for children ages 10 and up. Lets students construct and examine simple machines Includes enough pieces to build variety of machines at once Weights help children explore effort, force, load, motion and distance Labeled pieces assemble easily and separate for convenient storage Activity guide helps encourage fun learning experience.