The Ninja SLUSHi is a device that can make frozen drinks and slushies at home, potentially useful for hot summer months. Reviews of the product and its variations, such as the Ninja Slushi Twist and XL, have been mixed, with some outlets finding it to be a valuable addition to home parties and others questioning its value compared to cheaper alternatives. The device's performance has been compared to other similar products on the market, including a budget rival from Salter.