"it's bad"? No it's not, besides that, it's youre first jam you did a pretty good job. I really like the concept of the game. (Espacially that sometimes you have to decide which reboter you use for which purpose)You can get really creative with puzzles on this one. The difficulty curve was a bit of though, one of the early levels had pretty hard timings, the levels after were comparably easy.
Good game, you could expand on the idea if you want to