Beautiful smooth solid wooden buttons in the seven colours of the rainbow, with a natural finish to show the grain of the wood. The buttons come in graduated sizes with slightly flattened surfaces for balancing and stacking. An open-ended resource that can be used by the very youngest of children to improve hand-eye coordination, learn about colour, develop logical thought and to enhance imaginative play scenarios. Measures 1.96", 2.55", 3.14", 3.74", 4.33", 4.92", and 5.51".