The collection indicator that is supposed to appear above the habitat, when there are Marble Keys to harvest, does not show itself when there are keys to pick up.

When I noticed that I could collect from my Dynamite and Bomb Producing Dragons, I realized that the collection icon had not appeared over the MKPD habitat. Tapping on it, it showed me a floating +1, and checking on my Marble Keys total, shows that it had indeed increased by 1.

Please fix the collection indicator for the MKPD habitat.