Braille Letter Cube
This small cube is available with and without keyring and can be used to make the shapes of Braille characters
The cube's surface is studded with large black rivets and when the three main parts of it are rotated, the shapes of a single Braille character can be seen and felt
It is a bright yellow cubical with black studs.
The dimensions are 24x24x31mm for the cubical
It is spring loaded and gets locked at every 90 degree rotation
The 6-dot frame makes it possible to form all 63 Braille character combinations by rotation of the three parts.