The goal of this project, which was presented to the team by Kevin Maher (President of Advanced Therapeutic devices), was to develop a product prototype for safe, vestibular stimulation for children with developmental disabilities. Vestibular stimulation is a form of therapy that increases muscle coordination. It works by stimulating the canals and sacs within the inner ear that detect accelerations. The project targeted children from ages two to seven years old, under 48 inches tall, and less than 100 lbs. The production device also sought to differ from stimulation devices found in hospitals in a few respects: it would cost under 5000,resideinapatient’shome,behand−powered,andbecontrolledbyanaverageperson.Thefinaldeviceneededtosupporta200lb.loadattheedgeofthestructureandadjustforthecenterofgravitiesfortherangeofchildren.Aftersessionsofbrainstorming,theteamproducedthreeworkablelayouts,onlyonewasadequate.Thefinalsetuphadastructureof¼in.aluminumstructuralpipesimilartoafootballfieldgoal.Thisstructuremountedonasinglebearinghousingandsteelshaft.Thefinaldesignhadtwobarstomountweightsinordertoadjustthecenterofgravity.Theprototype,however,usedaswingingbar,lock,andaslidingweight.Thefinalprototypehadanadjustablefootrestandafive−pointrestraintharness.Thefinalcostandweightwas1700 and no more than 500 lb. The design met all of the requirements and had adequate safety for any child’s needs, but the team thought the design needed significant changes before it became a final product