Penguin Eraser for Chopstick Practice B165 This is a penguin eraser for practicing using chopsticks. Made of eraser material, it's non-slip and perfect for chopstick practice. It's also a great toy for practicing addition and subtraction. There are 10 penguins in total, with two each of pink, light blue, yellow, orange, and purple. They are about the size of a thumbnail. The action of transferring them into a small dish is also used in entrance exams for elementary schools. *Please supervise small children to prevent them from putting them in their mouths! *Please be sure to check the profile.