K-Nex-Computer-Control-K-Nex-KX79017PK-With-the-K-NEX-Computer-Control-Pack-students-can-build-&-control-K-NEX-models-using-a-computer-while-leaning-&-applying-STEM-concepts-Construct-any-one-of-five-models-of-fully-functioning-replicas-of-real-world-machines-a-Sliding-Door-an-Elevator-a-double-lift-Tower-Bridge-an-oscillating-Fan-&-an-amusement-park-Super-Swing-Ride-The-pack-contains-sufficient-parts-to-build-one-model-at-a-time-&-supports-1-to-2-students-working-as-a-team-Su