Safety material The stacking circle made of high quality material, soft and non-toxic. It has a good hand feel and is chewy. You can rest assured that children can play and bite. Cute appearance This cute building toy comes with 6 circles of different colors and sizes which is very cute. It includes yellow, orange, pink, green, blue and white which is comfortable for them to wear. children see and identify colors and sizes. Four of them are decorated with animals, patterns and letters. Multiple Play This circular stacking toy can bring you a lot of fun. It can not only play stacking game, also can be used as a teether and whistle .There is a small hole at the bottom of each smooth circle. children by squeezing the circle of soft construction. Educational development Children can stack circular toys in any way they like. Exercise children's hands-on ability and creativity. The uniquely designed appearance circle also develops children's color perception, digital cognition and shape recognition while playing stacking game. Best gift for holiday Every child is interested in building things. The cute appearance makes girls like it too. Boys enjoy the feeling of pushing the building back and remaking it. Our stacking toy is the best gift, for kids and toddlers. , no matter boy or girl.