[Kagen] shaves thin layers of veneer from this block to attach to the puzzle pieces as needed to create the patterns without resorting to ink, paint, or decals. [Kagen] has a math degree but is ...

To many autistic people, the puzzle piece represents stigma, exclusion and a harmful push to make them conform.

"It's long been known that the endothelial cells of lymphatic vessels resemble oak leaves or jigsaw puzzle pieces ... In plants, this pattern helps cells withstand internal fluid pressure ...

As you look at each puzzle piece (its shape, color, and pattern) while trying to determine where it fits, your brain is hard ...