The Vibrant Life Rolling Mouse Cat Toy encourages exercise. The rolling mouse, with its rattling sound, will have your cat swatting and chasing. Indoor cats have no natural prey which leads to boredom, but the rolling mouse, which contains catnip, will turn into a hunting experience for your feline. Catnip helps enhance the playtime experience, and most cats begin enjoying catnip at 6-8 months of age. Encourages exercise with rattle Satisfies natural instinct to play Promotes swatting and chasing WARNING: N/A Directions: Instructions: For cats only. Not a childs toy. Keep out of reach of children. Remove and replace if item is damaged or parts become detached. Do not leave cat unattended while using this item. Specifications Brand Vibrant Life Manufacturer Part Number 68113140567 Assembled Product Weight 0.05 oz Color Red Animal Type Cat Assembled Product Dimensions (L x W x H) 1.68 x 3.50 x 6.62 Inches