With my new Ninja Nutri blender pro making smoothies is very easy, and now My 5th grader is smoothie champion. Basically she like smoothies a lot and we were not allowing her to use other blender, so we got her this new Auto-IQ technology Ninja blender which works perfect and very easy to use. it makes perfect smoothies automatically and crush fruits and vegetables very well. It has two jars for on the go Cary on.