How to animate Escalator Steps along a spline / path using UE4

Hi there everyone

I am very new to unreal engine 4 and i would like to create a scene with an escalator but im not sure how to go about doing this.

I have already created an animation in blender by rotating an “empty” sphere object and that will move the steps along a path that i have created. the animation is great and smooth, but i don’t know how i can recreate this in UE4.

my thoughts where to us a spline but how do i animate along it ? and should i use blueprints or Matinee ?