4D Wooden Puzzle Brain Teaser Review

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. This puzzles would be perfect for displaying on a desk, table or shelf. Read more...