这是一款以牛顿的能量守恒理论为基础设计的物理益智游戏, 被大家成为 "牛顿的摇篮"。使用各种磁性设备, 使球球按照设计的路线滚动。 A physic-puzzle game based on Isaac Newton's conservation of momentum and energy, best known as "Newton's Cradle". Employ the various magnetic devices to keep the marble rolling fro...