Frenzy Nymph refill Cat Toy - Fits Wildcat Wands and the Bird and Catcher wands/poles Really brings out the natural hunting instinct of your Cats Size approximately 5cm long x 3cm high in body plus Feather tails. Add a bit of variety to your the Bird or Frenzy rod toys with this fun attachment Simply clip on and start playing! Cats go WILD for this attachment!