30th Century Super Slate | Günther Glückert Münzdose Some variations use a thumbtip

Some variations use a thumbtip and others don't

and these are just a few in a long list of creative and innovative contributors from around the globe

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The beauty is that everything you need is inside THE FOX

30th Century Super Slate | Günther Glückert Münzdose Some variations use a thumbtipIn 1976, Gnther Glckerts mental chart came onto the market. Today, 27 years later, we are offering you this masterpiece once again but completely reworked, technically upgraded, and given a new form by Manfred Zllner . A plastic board in DIN A5 format is placed on a collapsible stand. Both can be examined. Now ask them to name any four or five digit number (no forcing!). This number is written twice on the boardonce at the top and once at the bottom.