Top 10 things I like about neoclassic vs classic space.
1) Radar dishes in wheel rims...never thought of this although tires and dishes come in more sizes though
2) smooth wing edges with thickness of sideways bricks..non lego set is shown for illustration only
3) Small "winglets" to give more shapes to simple wings
Without winglets
With winglets
4) tiles in curved shapes/shield pieces..New galaxy explorer
5) multitudes of pieces to greeble with i.e. trench run
6) incorporated older pieces...i.e. inverted sloped computers from set 493
7) simple colors continue with gray and yellow black accents also 1 shade of gray...light gray
8) use of original minifigs without the hideous new thick chinstrap
9) use of balance between simpler walls and greebling in space hangars
10) purpose of exploration collaborating and cooperation
So these factors make neoclassical an improvement to original classic space. Old pieces are used in a new way, pieces that didnt exist are incorporated to the old pieces.
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