Investigate simple machines through hands-on learning with the K"NEX Education Exploring Machines set! Designed to expand upon middle school student"s knowledge of simple machines concepts, this set provides instructional models for students to investigate, explore and experiment with. Students will work together to construct 30 fully-functioning replicas of real-world machines, up to four at a time, and analyze, synthesize, and evaluate information. The Teacher"s guide includes Student Inquiry Sheets and Worksheets for the models highlighted. Student Worksheets ask questions about the machine being investigated and present challenges that can be used to help students think more deeply about the concepts involved. The K"NEX Education Exploring Machines Set includes 1432 K"NEX parts, building instructions, and a comprehensive Teacher"s Guide CD, all packaged in a strong plastic tray with Snap-on lid for easy classroom storage. This set supports 8-12 students working in teams and is recommended for 5th through 9th grade classrooms. Check out other K"NEX Education sets such as the Intro to Simple Machines Series and Simple Machines Deluxe Set for grades 3 - 5. STEM Education focuses on science, technology, engineering and mathematics concepts taught through problem-solving, discovery, exploratory learning and critical thinking. STEM Education requires students to be active participants in the learning. K"NEX® models offer hands-on learning opportunities that encourage scientific inquiry, investigation and experimentation. Our inquiry-based lessons challenge students as they build, investigate, problem solve, discuss, and evaluate scientific and design principles in action. Aligned to Science, Technology, Engineering, and Math standards.