1.Wooden math stick toys are made of natural and environmentally friendly materials and the paint is non-toxic which is both environmentally friendly and healthy for children. 5.It helps develop child's mind creativity and thinking ability and train their hand-eye-coordination and hand flexibility by their own operation. Also can attract their attention and make them become more and more interested in learning. A perfect gift to your kids. Manufacturered by YOUTHINK. 3.16 pcs wooden number tiles and 43 pcs counting sticks. This set of toys is designed to teach colors and numbers to help your children understand different colors while improving their thinking skills. 4.Can effectively help your kids know about the numbers and the simple math manipulatives. Aims at teaching the concepts of colors and numbers eyes and hands coordination developing kid's intelligence and practical manual ability. 2.It is non-toxic tasteless and smooth with the clear and beautiful texture and good hardness. Suitable for kids above 3 years old.