PetSafe ScoopFree Original Self-Cleaning Cat Litter Box If you're tired of scooping through litter, invest in this PetSafe ScoopFree Original Self-Cleaning Cat Litter Box ($130). It comes with crystal trays that you can replace every few weeks and it helps mask the odor. Image Source: amazon.com PetSafe ScoopFree Original Self-Cleaning Cat Litter Box $130 from amazon.com Buy Now