Kindi Kids are adorable, collectible dolls that are all about having fun, being unique, and making friends This Halloween storybook featuring the Kindi Kids includes six trading cards and a sheet of stickers It's Trick or Treat Day and there's a new girl at Rainbow Kindi Her name is Rainbow Kate. How will the Kindi Kids adjust to their new friend, especially on one of their favorite days of the year? Find out in this adorable storybook with six collectible cards and stickers