Dezi & Roo Glow-in-The-Dark Wiggly Ball Cats like to stay up late and party, too, and now they can thanks to this Dezi & Roo Glow-in-The-Dark Wiggly Ball ($13). A bouncy ball combined with life-like tail movement seems like it's the perfect combination for a happy cat. Image Source: amazon.com Dezi & Roo Glow-in-The-Dark Wiggly Ball $13 from amazon.com Buy Now