KONG Glow Firefly Teaser Cat ToyKONG Glow Firefly Teasers long, swaying strands light up to spark hunting instinctsespecially when enjoyed in the dark. Dangling crinkle ball gives cats a batting target, while wings and antennae add extra allure. A long wand helps extend the fun and playful action. Batteries included. Sparks batting instincts Ideal for nighttime play Wings and antennae invite batting Ideal for nighttime instinct satisfaction Strands Light up!