Half the stress of packing can be wondering what TSA could confiscate. So let me clear up the confusion.
Maybe bowling balls can be taken on-board, but not bowling pins, because sports equipment that can be used as a bludgeon is a no no.
However, other items like drumsticks and knitting needles that could potentially be harmful are still allowed to be carried on.
A foam toy sword isn’t allowed through security, but you still cast a spell and get past security with your Harry Potter wand. But that won’t work for your Magic 8-ball. It may predict the future, but it’s considered a liquid.
You’ll just have to wait to ask your pressing questions to the black orb until you’ve landed.