Super Famicom Mouse
From FamiWiki
JapanThe Super Famicom Mouse (スーパーファミコンマウス) is an accessory for the Super Famicom. The accessory, when plugged in to either of the ports on the front of the console, allows for conventional mouse controls in supported titles. The mouse was available alone, but was also packaged with Mario Paint and Mario to Wario during the console's lifespan. The accessory was released in the West as the Super NES Mouse.
