The Infinite Galaxy Puzzle by design studio Nervous System – a 133-piece jigsaw with an image of galactic central point (taken by the Hubble telescope) on each side.
Based on the principal of the Klein bottle, an impossible 3D shape with mathematically identical inner and outer surfaces, the puzzle can be constructed in a myriad of ways.
Intriguing? Annoying? Either way, the long winter evenings will just fly by.