Package Includes: One Wooden Box with holes, one catnip ball, one silvervine ball, and one silvervine fruit ball Easy To Assemble: This cat toy box is very easy to assemble with elastic bands, simple but sturdy and funny Great Toy for Bored Cats: Cats can use their paws to reach into small holes to pick out catnip balls, but it is very difficult to do so, which can increase their playtime Catnip & Silvervine Balls: Catnip balls and silvervine balls can alleviate cats' anxiety, promote their appetite, and increase their physical activity Multi-Functional Toys: In addition to our catnip balls, you can also put some other small balls or cat treats inside for your cat to play with