Here is the motion controller that @Chris_Wischkowsky recommends. http://dynomotion.com/KFLOP.html
Of course the steppers
https://www.automationtechnologiesinc.com/products-page/hybrid-servo-system/kl-5056h/ times 2
Then the power supply
https://www.amazon.com/LEDwholesalers-Power-Adapter-5-5x2-5mm-3264-24V/dp/B074GJ22P6/ref=sr_1_3?ie=UTF8&qid=1519554736&sr=8-3&keywords=24v+power+supply+10+amp
I don’t remember if there was already a 5 volt power supply in it for the Motion controller.