According to the Encyclopaedia Britannica:
Rubbings are made by carefully pressing paper onto a carved or incised surface so that the paper conforms to the features to be copied. The paper is then blacked and the projecting areas of the surface become dark, while indented areas remain white.
In our case, it’s crayons on copier paper over some plastic puzzle blocks. Sure, I could have gone and collected some nice leaves and shown you something planned and prepped. But The Child was bored one weekend afternoon and wanted to colour. This is the result.
She then spent a few minutes ripping it all up — two activities in one!