There are 32 of them so its perfect.
Block Fort and SkyScraper make it to Round 2 so far.
Round 1.1:
Big Donut (N64): 1
Block Fort (N64): 0
and
Double Deck: 0
SkyScraper (N64): 1
Block Fort and SkyScraper make it to Round 2 so far.
Round 1.1:
Big Donut (N64): 1
Block Fort (N64): 0
and
Double Deck: 0
SkyScraper (N64): 1