National Soroban Education Federation sponsored practice slips, Grade 3, revised edition, 2001, compact size for easy carrying. - Title: Practice Slips Grade 3, Grade 2, Grade 1 - Revised Edition: 2001 Revised Edition - Sponsoring Organization: National Soroban Education Federation - Publisher: Sato Publishing Co., Ltd. - Size: Small - Colors: Yellow, Yellow-green, Light blue ★ No writing. ★ There are some folds and signs of use, but there are no problems such as the text being unreadable.