Spray 13x9-inch pan and large bowl with nonstick cooking spray. Combine cereal squares and spice drops in sprayed bowl.
In large saucepan, combine vanilla chips, butter and honey; cook and stir over low heat until melted and smooth. Add marshmallows; cook, stirring constantly, until melted.
Pour marshmallow mixture over cereal mixture in bowl; fold gently to mix. Turn into sprayed pan. With sprayed rubber scraper, spread mixture evenly in pan. Cool 20 minutes. Cut into bars.