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Do you understand the construction of the horse cart? Can you explain why a tipple-top toy will tipple? Why don't we have a space elevator yet? And more. The explanations of these riddles... MeerPaperback|Mei 2021Levertijd: 2-3 werkdagenActie: Geen verzendkosten!25,00
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Do you know which ball will finish first? Or can you determine the inside of a sphere without tools? Or explain what will happen to the inner diameter of a washer when heating it? The... MeerEPUB met digitaal watermerk|November 2017
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