You can find these paper cards at major retailers and specialized booksellers:
The (HSK 汉字学习卡片) by Sun Tao (孙涛) is a physical card set designed to help learners master characters for the Hanyu Shuiping Kaoshi. Published by Morning Glory Publishers (朝华出版社), this product is unique for its "stamp-style" paper format, where characters can be torn from perforated pages to create individual cards. Key Features You can find these paper cards at major
: Each page is printed with square-shaped character blocks that are removable (tear-off) to function as portable flashcards. You can find these paper cards at major