BLUE RULER learning device for Braille Alphabet

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Innovative device in the shape of a ruler, consisting of ten six-dot cells, facilitating learning process of Braille Alphabet for blind and visually impaired persons. Gently pressing magnetic balls on each chosen side of the ruler we can obtain 63 signs within every six-dot cell.
It can be easily read.

BLUE RULER has got simple and certain construction without elements which could be wasted.

Materials: sheet steel, spherical magnet, plywood.
Decoration: powder coated.
Dimensions: width 28 cm, height 0,4 cm, depth 3,3 cm.
Weight: 0,1 kg.