I was never good at hide & seek because I'd always make enough noise so my friends would be sure to find me. I don't have anyone to play those games with any more, but now & then I make enough noise just in case someone is still looking & hasn't found me yet.
Archival, acid-free 100% cotton paper.
Low-VOC foamcore backing and protective poly sleeve.
Frames are black-painted wood with glass.