An interesting concept for the jam, a little weird controls wise though once I figured it out it was relatively easy to use and just lacked a bit in the information department. Mainly on the fact that the blocks have different timers on their different modes which definitely had me a little confused.
Ignoring that though the actual design behind the levels was interesting, not super challenging but just enough to make it a bit of a good puzzle to try and figure out. Definitely got me rearranging blocks just to see if something changed a few times. Plus send my little cube to the moon a few times.
Overall the only thing I think was lacking is what I mentioned earlier, which is information, that and more levels. Information wise though I think some sort of second timer, a stopwatch etc. would've been nice for keeping track of how long till the blocks change. As well as indicators of their different times and maybe showing the direction of the platforms in levels like the later ones.