Lift your breasts naturally! Try these chest and back strengthening exercises for women to help you tone, firm and lift your chest and improve your posture. http://www.spotebi.com/workout-routines/chest-back-strengthening-exercises-lean-strong-toned/
Scissor Stairs - SO, maximum rise for these is 48"/4', but, i'm thinking these could somehow be incorporated into a more traditional stair, this being the lower bit. The treads of the upper stair could have built-ins below for storage.