Hi,
That's already been said, but I also think that the game is too short. I completed it in maybe 2 minutes. I know that's a jam game, of course, but a few more levels would have been cool because the game is nice! Very simple, both in the concept and the artstyle, but it's still enjoyable to play and fits the theme nicely.
I wish there was a bit more juiciness, for instance making the cogs rotate and kill the player with some particles, the character having more bounciness when jumping, more particles, and a less high pitched sound too, as it's very annoying when jumping.
Overall a good entry, that you should keep expanding if just a bit!