Colorful fraction puzzle. You can learn the concept of fractions. By combining them, you can also use them when learning fraction addition. It has a certain thickness and is sturdy. The circles are not cut out. Some of the bars are separated. Please make your judgment based on the images. If you want to see any other parts, feel free to comment. This is a used item. If you are concerned, please refrain from purchasing. Please see my profile. Thank you very much. (m(_ _)m)