Best Sellers, Posters

Poster - Ascending Descending

Brand Puzzling World

^$25^{.00 NZD}

Age Range 4 - 99 Years
Difficulty Very easy
Description
A normal looking building roofed with a never-ending staircase - can you find the top and the bottom? This is an artistic depiction of The Penrose Stairs - an impossible object invented by an English mathematician 3 years earlier.