Pretty good experience once I got the hang of it!

Not sure if I played it right but I did not see any need for jumping around (plus it is also very risky because if you fall off it's game over). So I played just with clicking and ended up with a score 1728 and gold 1654. Would be nice if there was some indication at the end as to whether that was a good run or not :)

Game provides no feedback (except for money increasing) when package goes down. 
Also no reset and no option to speed up time in more boring periods (like "HOLD SPACE FOR 10x TIME").
Visiblility of black font on a blue background (price list) is bad.
Besides, this price list feels like should not even exist.

Core-wise what is missing is some economical mechanics which gets triggered on physical contact or adjacency.

The approach however feels promising. Keep it up!

The game overall was pretty cool. I did feel like it was a little easy to fall off, but once I learned to cope with that I enjoyed the game for a little bit.

Pretty unique mechanic of stacking the blocks and getting more resources. Makes you think about the space you use. Could make it more interesting by getting more resources if you stack higher?