This is the best, simple rattle for babies. The two bars make it easy to grasp, and it makes the perfect rattle sound when baby shakes it. Not so noisy that it's annoying or disruptive, but enough to encourage more movement. The compact size means this is the toy that gets stuck in my purse.
This rattle is just a couple dollars at Walmart, and it's worth adding to your toy collection. Or, I received mine as part of a baby gift, tied to the ribbon.
I have several friends with this same toy, and they all love it as well.