玩具一:想家的企鹅原理:利用磁铁具有指示南北方向的性质。制作方法:在一块圆泡沫板下嵌一平放的条形磁铁,板上固定1只纸制卡通企鹅,使企鹅头的朝向与磁铁南极方向一致。玩法:把玩具放入水中,不管怎么转,它最后都会“深情”地望着南极。玩具二:小蝌蚪找妈妈原理:利用磁铁具有同 Toy One: homesick Penguin principle: the use of magnets with the direction of North-South direction of the nature. Production methods: embedded in a circular foam under a flat bar magnets, the plate fixed a cartoon penguin paper, so that the head of the penguin and the south pole in the same direction. How to play: The toy into the water, no matter how turn, it will eventually “affectionate” looking at the South Pole. Two toys: tadpole looking for mother principle: the use of magnets with the same