Indoor rock climbing?

well i just recentaly went camping and they had a indoor rock climbing thing with harnesses and everything and me and my family where thinking about putting up one in our house so like where could i get the harneses the shoes and there was like a bungie cord that is hooked onto the harness so if you fall you fall down slow and like the big thing that all the little rocks you hold onto are on do you have to make that or what and the harnesses had no pading where would me find some like that please mostly websites