Description: Balancing eagle model exploring barycenter toy, educational physics science DIY experiments toy Bird mouth beak whatever place all can balance al balance, stimulate baby curiosity, open the baby intelligence. Balancing bird principle : center of gravity of the eagle is at the bottom of its beak Develop children hand & eye coordination, and help children experience the of power, expand kids scientific & mechanical interest Main Material: Plastic ColorRandom Color Eagle (L*W) approx 12.5*10.5cm/ 4.92*4.13 inch Pyramid Stand (L*H) approx 4*5.3cm/ 1.57*2.08inch Specification: Quality of evenly distributed object, center of gravity position is only related to the shape of the object. There are rules in the shape of an object, its center of gravity in the geometric center Uneven distribution of the quality of the object, the center of gravity is related to the shape of the object and the distribution of the objects with