The colourful pieces allow a large combination of simple sums to be laid down and worked out. The practical Packing bag makes it a great travel companion. Manufacturered by Bigsweety. It can not only teach children to learn mathematics but also play as a dominoes a good mathematics educational toy. Made of environment-friendly wood no harm to your baby.Attractive color to help children acquire strong sense of color. A fun & rewarding way to learn basic numeracy skills.