The V021 Top comes with three lens caps: Red (dot), Green (visibility), and Shadow (silhouette). For the "Top" experience, use the Shadow cap in a dark room. It projects bird and insect shadows. Users report this drives cats crazier than lasers because it looks like a physical bug, not just light.
is often viewed as a refined version worth adding to a collection. Bored Kitty V021 Top [extra Quality]
