Which is Larger - Great Optical Illusion Great Stocking Stuffer penny drop The extreme difficulty of the

The extreme difficulty of the Calibron 12 arises from several factors that AI and human problem-solvers will appreciate:

or final-room reveals

The stencil measures ~ 2

The three dials on the top of the puzzle box represent the hour hand with two for the minute hand of a clock (or digits for Escape rooms with a more modern theme)

Which is Larger - Great Optical Illusion Great Stocking Stuffer penny drop The extreme difficulty of theA fun "trick" to keep in your Escape Room Waiting Room. The puzzle relies on perception to confound people as to why the three pieces always seem to be a different size, no matter the order. People will soon discover the three pieces are actually the same size! This is a perfect item to sell in your lobby as well to keep players entertained while waiting for their Escape Room Experience to start. The pieces are cut from 1 4" Alder wood.