Wheel, a Wedge 4 x 3 Open w/Cutout & 4 Studs, a couple Vehicle Exhaust Pipes w/Technic Pin, Technic Bricks w/Axle Holes, Technic Bricks w/2 Holes, and a newish part Plate, Modified 1 x 2 w/Pin Hole on Top.
Build. A quad with a pair of guns.
Can you build something -- a frame, station, or starship -- right away?
Is it below, at, or above the golden ratio? Below. (0)
(The Golden Ratio is $0.10 per part.)
If you can't build a frame right away, or choose not to, does it have parts you should be able to put into use right away? Yes. (+5)
Does it have more than a handful of immediately useful parts? Yes. (+5)
Score: +20 (A+). Another maxed Mixel.