I like that idea, though, for me, I dreaded cleaning the box, tried automatic ones, which sucked, and then found the Omega Paw http://www.amazon.com/Omega-Paw-Self-Cleaning-Litter-Pewter/dp/B005E2S77C worked flawlessly, cleaned the box daily, great box for the lazy. I did have to periodically have to take it apart and hose it out...

Omega Paw Self-Cleaning Litter Box, Pewter https://www.amazon.com/dp/B005E2S77C/ref=cm_sw_r_cp_apa_pSeZzb8NSC7SQ

Sorry for no link but this works really well for me. No more scooping!