Braille ON and OFF Light Switch Sign Package escape room key mazes The Alberti Cipher Disk is

The Alberti Cipher Disk is the first example of a true “polyalphabetic” cipher device using two dissimilar alphabets

puzzle solution

Our braille alphabet board is a great educational aid for teaching braille to the sighted

Resetting the puzzle is really easy and fast

Please indicate the TITLE and LETTER corresponding to your desired image

Braille ON and OFF Light Switch Sign Package escape room key mazes The Alberti Cipher Disk isBaille ON and OFF signs Two precision engraved signs or wall panels. One which reads ON and another which reads OFF. Both the sighted and visually impaired can read these. The dots are raised allowing for tactile reading. If you would like this Panel cut in a different wood, different size, or from 1 4" thick wood please Contact Me.