need some help with party invitation ideas

[lynne192]

hey all i am having a train & tiara party ofr my son's 4th birthday which is on 22nd june party is gonig to be the sunday before though on 19th june....

anyways usually i make up the invitations but this year i am unsure what to do i was thinking about making a square like inviation but have it split into like 2 triangles and half thomas on one bit and then princess on the other half....

anyways was wondering if anyone might be able to suggest something and help me with samples or anything have some ideas on paper but unsure about if they will look alright....

any advice would be great thanks xx