Created and produced by parents of young children, WBUR's Circle Round adapts carefully-selected folktales from around the world into sound- and music-rich radio plays for kids ages 3-103.

A circle is a shape where every point at its edge is the same distance from the centre. A circular shape or object is one that is in the form of a circle. How many of these circular objects can ...

Polygons have three or more sides. Have a look at these three shapes. One of them is not a polygon. Can you work out which? A circle is not a polygon because it doesn’t have straight sides.