Amazon’s bestselling Ninja Professional Plus Kitchen System is on sale for one of its better prices of the year. The Ninja bundle is not just a full-size blender, but also food processor and personal blender in one, perfect for making everything from smoothies and protein shakes to homemade salsa, dough and meal prep. Originally priced at $219, the Ninja Professional Plus Kitchen System is now available for $169, a $50 discount overall. Ninja Professional Plus Kitchen System, 1400WP, Auto-iQ $219.99 $169.97 The Ninja Professional Plus Kitchen System is on sale for under $170 at Amazon. The Professional Plus Kitchen System has earned a 4.8-star rating from more than 14,600 Amazon customers and currently holds the No.