This Toy can be considered as Wheel on Wheels. All the products are made of wood & the colouring is harmless to childrens. The concept of wheel on wheels is ,the beautiful swan has 4 wheels & a Big wheel(Ball) is placed on the 4wheels.As the swan is pulled the wheel on the wheels also rotates. This act attracts the childrens & they love to play with it. The speciality of this is ,it can be used as a pulling toy as well as wooden ball. Playing this by child get increse in the concerntraction level of kid.