on orders over €99.
This offer is valid on all our store items.
With Calculus you will find out how it was possible to calculate and study the bases of math in a world with no computers or calculators. This toy is close representation of a mathematical instrument of a sixteenth century based on Napier's sticks.
CAUTION:TOYS SUITABLE FOR ADULTS
Recommended minimum age | 14 |
99,90€
55,00€
70,00€
99,00€
33,00€
21,50€
79,95€
22,90€
16,50€
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