Learn how to harness the energy of the sun into electricity to power KNEX models. Students are encouraged build, investigate and evaluate concepts, ideas and designs. Builds three models with 128 KNEX parts, solar panel and motor. Key Stage 3, 4 and 5. Builds three different models and includes 128 KNEX parts, solar panel and motor and packaged in a strong storage tub with snap on lid. Includes a comprehensive Teachers CD guide provides a program of study that uses hands on exploration in conjunction with an engaging inquiry based approach to learning. Building instructions and teachers guide aligned to national stem standards included. Teacher guide provides a program of study that uses hands-on exploration in conjunction with an engaging inquiry-based approach to learning. Students are encouraged to build, investigate, and evaluate concepts, ideas and designs. Explore other renewable energy sources with the exploring wind and water set or the renewable energy class set. Recommended for builders 11+, or key stage 3, 4 and 5. Size H19.37, W34.93, D22.23cm. (not included) plus . For ages 11 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.