I was shocked when I learned that some Egg Shakers have "mystery metal" inside, maybe even LEAD beads inside. Sometimes even babies can break them open, and we all know where babies like to put new small things :-?
Fortunately, these Egg Shakers on Amazon are clear / see-through BPA free plastic, so you can SEE the dried beans inside, instead of mystery metal beads. Which would you want in your baby's mouth?
Buy it on Amazon