6 pieces. Each opens with an example made for space & science lovers; put in your own and it follows. From about $50 for the set, one of each.
How it works
Open any piece, put in your own address, list, logo or file, and see it before you buy. We print and finish every order here and ship it to you free, anywhere in the US; a set for the whole place goes in one cart, and orders over $75 take 10% off, over $200 20%.