Designed to expand upon simple machines concepts. Students investigate, explore and experiment with the K'NEX simple machine models as they analyze, synthesize and evaluate information. The Teacher's guide includes Student Inquiry Sheets and Worksheets for the models highlighted. Set includes 352 K'NEX parts enough to build 16 fully-functioning replicas of real-world machines, one at a time. Supports 1 - 2 students. Packaged in a strong storage tub with snap-on lid. Includes building instructions and comprehensive teacher's guide on CD, aligned to national Science, Technology, Engineering and Maths standards including Key Stage 3, 4 & 5.