Potaroma Cat Toys 3in1 Automatic Interactive Kitten Toy, Fluttering Butterfly, Moving Ambush Feather, Track Balls, Dual Power Supplies, USB Powered, Indoor Exercise Kicker (Bright White)[3 in 1, Most Versatile Cat Toy Ever] shooting feather from random holes, flying butterfly and balls in the track. The fluffy feather keeps hiding and popping out from random holes, unpredictable movement stimulates cats to swat and play. Lifelike butterfly that flaps around in the air like real easily prompts cats to pounce and bat. The balls which you can put in the track add extra fun when cats stick their claws into the track and bat the balls