@doglovergymnast13,
I had to look up what they were.
http://www.scarymommy.com/what-hell-are-orbeez-why-kids-obsessed/
Let's just start with the fact that this is obviously not food. Any time you swallow something that isn't food, there is a potential for problems.
So tell your parents. Say what you wrote here. "I don't know why, but I ate some orbeez. I know I'm not supposed to and I'm scared for my health. Please take me to the doctor."
I have no idea if your folks will get mad at you. And maybe your doctor will just send you home. But there is no way of knowing that until you go.
So tell them.
And please stop eating them.