Munchkin Formula Mixer you can shake or stir it with a fork or spoon, but even the most careful parents can end up with lumpy infant formula. Now there’s a better way to prep baby’s milk. Munchkin’s hand-held formula mixer fits into any size baby bottle to blend away lumps quickly and effortlessly. It’s battery-operated, so you can get a bottle ready anytime, anyplace – even on the go. This handy blender also comes with a bonus, single-serving powdered formula dispenser, perfect for throwing into your diaper bag for backup. Add it to your mix of indispensable kitchen tools, and mealtime will surely become smoother for everyone.