The most complex knex thing I have ever made.
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Step 1: Pieces
-16 green/ dark grey
Step 2: Tip
Step 4: Base
Sorry about the pics. The thing you make in the fourth pic attaches to the red connectors from the third pic.
Step 5: Putting It Together
Pic 1add ones. Pic 2 base plus middle. Pic 3 pic 2 plus pic 1. Pic 4 pic 3 plus top.