Go green and bring STEM concepts to life; Designed to encourage students to work together as they build, investigate, discuss and evaluate concepts, ideas and designs related to two renewable energy sources. Supports 1 - 2 students. Includes comprehensive teachers; guide on CD. Key Stage 3, 4 and 5. These concepts are fashioned around rigorous STEM content and national standards in science, technology, engineering and math. Designed to address critical science, technology and engineering concepts in the middle school classroom and provide instructional models that will enhance students; understanding of these important concepts. Using knex and the lessons provided in the teacher guide enables you to offer students a program of study that uses hands-on exploration in conjunction with an engaging inquiry-based approach to learning. As students work cooperatively they are encouraged to work together as they build, investigate, discuss and evaluate concepts, ideas and designs. Set includes 288 knex parts enough to build 6 renewable energy models, two at a time. Supports 1-2 students. Grades 5 - 9. Building instructions & comprehensive teachers guide aligned to science, technology, engineering and math standards included. Recommended for builders 9+, or key stage 3, 4 and 5. Size H19.37, W34.93, D22.23cm. (not included) plus . For ages 9 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.