Trefl

This Spiral puzzle is a series of twisted pictures, the elements of which,when arranged, form a spiral shape. Dive into a whirl of a spiral.Features: Improved memory, better problem-solving skills, higher IQ, improved mood andlower stress levels are just a...

This Spiral puzzle is a series of twisted pictures, the elements of which,when arranged, form a spiral shape. Dive into a whirl of spiral.Features: Improved memory, better problem-solving skills, higher IQ, improved mood andlower stress levels are just a handful...