The Roly-poly pot is a pot that tumbles over when the plant is thirsty. Once you set up the Roly-poly pot according to the amount of water that the plant needs, it tumbles over when the plant is thirsty. Then, it will get up naturally as you watering the plant. Inside of the pot, there is a water container and weight. Because of the balance between the weight part and the weight of water, it can tumble over or straightens up by itself.