Wooden Puzzles Winshare-Puzzles-and-Games | 4D Wooden Puzzle Brain Teaser-620V

This Great Visual Mind Teaser Contains Only 9 Pieces And A Base But Is Much More Difficult That It First Seems To Be.
This Puzzle Tricks With Your Eyes In A Way That Is Hard To Get Focused On Its Geometric Assembly And When You Look At It, It Looks Like It Almost Moving And Changing From 3D To 4D.