The game is indeed cute.

It gets a bit less frustrating after the first level, but I felt the parts decay too fast. You can do tricks to help reduce this, like start moving and then coasting, as acceleration is what seems to harm the wheels the most, but ultimately: they seemed too fragile, and even new wheels quickly broke.

The placement of new wheels was a bit awkward, and it was hard to add a 3rd wheel to the middle to make the 1st 2 last longer. The level of the new wheel would often be too high or too low, so that only 2 wheels would be on the ground at the same time.

The center of gravity of the robot seemed a bit too high, and it had a tendency to roll onto its back as you accelerate. The wheels and arm seem to have 0 mass, so don't help to stabilize the robot.

The reverse direction on the wheel hub is a bit small, and hard to target (although there didn't seem to be a need to do that quickly as far as I went, so taking time to get it right was fine.)

Overall: you have something that works, is cute, and is different.
An excellent start, and I hope to see more from you.