I have 8 month old twins is a there a area where someone or myself can sit with them

Is it a place for toddlers

Can you bring your own birthday cake and eat it there?

Yes you can bring cake

There are two designated areas where you can sit with your friends or family who are not participating in the games. One is right where the snacks are and the other one is like on the top section of it where you can sit and watch other people having fun.

Do parent pay

Yes there is. They have about 8 tables located in the main area. Most trampoline areas also have a platform area before going into the trampoline.

Is there a place space for 2 & 3 year olds

yes you can take the metro north