Clock Prism Periodic Table, Braille version.
The group number and symbol of each element are printed in Braille around the Prism. Blind science students with Braille skills will be able to trace the element line from beginning to end without lifting a finger. They can also understand the atomic number of each element by the position on the hexagonal clock face.

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Table of the elements 2017, Braille version.

To use with the Clock Prism Periodic Table, Braille version. Each atomic number, symbol, Japanese name, English name, group, atomic weight and the year of discovery from 1 H to  120 Ubn are printed in Braille.