We are at "The Great Gravity Gizmo." Balls are lifted to the top and drop down an large course before landing at the bottom and heading up again. The Great Gravity Gizmo was added in 1983 and dedicated to Sandy Hallock, COSI's 1st executive director.
Lower Level of Solar Front
Turn left and see the fire truck. Go left and look at John Glenn in the Mercury Capsule. Go down steps and look at exhibits down at lowest part of Solar Front.