Panel de Pon was released on October 27, 1995 in Japan for 5800 Yen.
Interestingly, Panel de Pon was released in the rest of the world as Tetris Attack, and the cute fairies were replaced by characters from Yoshi's Island. Export releases:
[US] "Tetris Attack [Model SNS-AYLE-USA]
[US] "Tetris Attack [Model SNS-AYLE-USA-1]"
[EU] "Tetris Attack [Model SNSP-AYLP-EUR]