How much does it cost to go to Chuck E. Cheese?

Me and my husband want to take our 2 kids to Chuck E cheese for their birthdays his birthday is march 28 and is going to be 3 and she is going to be 4 march 22. so we are just going to take them on a weekened. how much are the tokens? and about how much is a medium pizza with like 2 drinks cost? i live in washington. so idk if that makes a difference. but there is a chuck e cheese in olympia.