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Raised dots allow this version to be solved by touch alone.
All blind Dominos that have been documented utilize a spingle mechanism, despite showing both patterns of which one is usually associetated with the grooves mechanism. Please refer to the museum section about the mechanism pictures for the three mechanisms used in the 1980s.
Size: 38 x 57 x57 mm
Thank you to the following people for their assistance in helping collect the information on this page: Geert Hellings.
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