A highly manufacturable toy for cats with which cats can play in direct contact contains silverine. The manufacturing method involves the preliminary mixing step to form a molding compound by melting a resin raw material and then mixing the molten resin material with silvervine, and the molding step to melt the molding compound formed in the preliminary mixing step and then molding the molten molding compound into a toy shape. Silvervine is characterized in that the degree of activity to cats is increased when it is heated prior to the molding process.
