Tired of sifting lumps through your teeth? There's a better way. The patented BlenderBottle is the best-selling portable mixer simply because it works. No batteries, no cord, no hassle. It's powerful enough to mix the thickest ingredients with ease. Use it in the kitchen, at the office, at the gym, when you travel, or on the go. Spring thingy, wire ball, whisker ball, mixer thing, scrambler, little whipper, and the magic ball. Though it answers to many names, it's actually called a BlenderBall.