Feature: -Throw a disc, catch a ball. Just squeeze down on the ball to set the time-delay, then throw it as a disc. The disc will pop back into a ball at random! -Fast recovery. The spherical shape can be recovered in a few seconds. -The High -quality plastic material is not easy to damage, and the two forms can be switched freely. Press the yellow dot with the palm of your hand and directly stick it up and down. -Use a variety of gameplays in one ball to exercise children's athletic ability and make children colorful in childhood.The dog's favorite, good flexibility, not easy to break. Specification: Material: High -quality plastic Color: blue, red, green, pink Note: 1.Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 2.Please allow 1-2cm differs due to manual measurement,thank you.