Giant fan

That day, Rania was not happy for three reasons: the hot weather, the tall mangoes, and her brother who refused to play with her. Run with Rania in her fantasies as she measures the fan and places the base. Discover how the force of the air is directly proportional to the diameter of the fan and take Rania on her imaginative adventure when she imagines a giant fan. This third-level book is suitabl...