I've got
12 butterflies
12 pebbles
11 shells
10 Beetles
I went to bed at 4:30am this morning (and got up again at 7 for the school run) cos each time I go to leave I think 'what if that last rare shell or beetle pops up' just 5 more minutes. At least I've finished the rest of the game now so 2nd time around I'll take a more relaxed pace.