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Timekeeper
99 kr
Age: 7 to 12 years Number of pages: 24 pages What if time was in a safe, with a trustworthy guard who controls its spending according to the appropriate place...
Series of questions: How does a watch tell the time?
129 kr
Publishing House: Hamad Bin Khalifa University Publishing House Number of pages: 16 pages A scientific series that answers more than 100 questions about humans, animals, earth and space... in addition...