https://www.techradar.com/news/nintendo-switchs-next-peripheral-could-be-donkey-konga-bongo-drums

A recent patent suggests that Nintendo Labo is only the beginning when it comes to Nintendo Switch peripherals. Filed by Hitoshi Yamazaki in August 2017 and made public in March 2018, the patent depicts a range of 'extended input devices' which would be powered by various aspects of the hardware, such as the Joy-Con mounted IR camera.

The patent contains images of the kinds of peripherals Nintendo has in mind and they include a Joy-Con-powered keyboard as well as a brand new set of Donkey Konga bongo drums.