As a teacher in a private residential treatment facility, I use project-based learning activities to engage my students. Interactive kinetic art placed around our campus is very motivating as well as aesthetically pleasing. In order to participate in Instructables contests, we designed and constructed a "Purple Rain Drop" from discarded bicycle rims suspended from a wooden frame using 'Dyneema' cord. Budget and safety issues require us to use picture hangers screwed to the frame for direction change however pulleys would be much more effective! We hope you enjoy!