iKuddle is a retrofuturistic litter box that cleans itself - Domus
Amazon.com: MS Cat Litter Box for Easier Handling of Cat Litter, Enclosed Design, Easy to Clean, Prevent Sand Leakage, Easy Assembly and Large Space, with Cat Litter Scoop : Pet Supplies
Amazon.com: MS!MAKE SURE Cat Litter Box with Lid, Scoop (with Litter Mat), Enclosed Design, Large Prevent Sand Leakage and Isolate Odors, Easy to Clean, - Gray Blue : Pet Supplies
Cat Litter Box, Top Entry Covered Cat Litter Box with Lid , Easy Clean No Smell Pet