Begin playing by sliding the buttons through the channels, deciding where to go by happenstance. Gradually realize that the color of the buttons corresponds to colors on the board, and take the color matching challenge, methodically sliding buttons to and fro to get them where they need to go. This requires careful planning and improves executive function. Turn the board over to discover another way to play. Match buttons to colors and learn geometric shapes. Develops cognitive, fine motor, language, and math skills. An ideal toy for travel and quiet time play. Measures 8 1/2″ diameter.