I Am a Teacher: Super Mario Sweater (アイアムアティーチャースーパーマリオのセーター, Ai amu a Tīchā: Sūpā Mario no Sētā?) is a Famicom Disk System game released in 1988 only in Japan. It was designed by Royal Industries Co., Ltd., a Japanese appliance and sewing machine company. Using the program, players could design the sweater they want and the company would make it for 2900 yen (~$24).
Read more about this topic: Educational Games In The Mario Series