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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
3 cm — standard Churchills (178 mm) are at the limit depending on the internal leather thickness
Black / Yellow
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When traveling by plane
The choice depends on personal taste and interior decor
casse tete mathematique addition des anneaux pour atteindre 50 Maroquinerie Personnalisable 3 cm — standard ChurchillsThe wooden math puzzle 5 rotating rings, diameter 12. 8 cm, natural wood. Objective: align the numbers in each column to obtain a sum of 50. Over 65,000 possible combinations, only one is correct. An educational tool and intellectual challenge for ages 8 and up. Objective: sum 50 per column Each column of numbers must total exactly 50 seemingly simple, but with 65,000 possible combinations and only one correct solution. 5 independent rotating rings
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