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9,50 €Enid, the princess of the magical kingdom of Occam, wants to find a way of turning the royal castle into a «mobile palace». To achieve this, she will have to travel with her friend Bert to the world of humans, to visit the former wizard of Occam who has now become a scientist. Here they will discover the secrets of science related to energy sources. Besides enjoying reading, you ' ll learn about energy sources and their applications.
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