Stickers and App card.
Parts 1. Look at all those Tooth Plates. Plenty of Cheese Slopes too. Some Studless Slopes, Plates, Barbs, and Male Mixel Joints. A couple Bar Plates, Clip Plates, Tiles, Boat Studs, and a Bar Tile.
Parts 2. Plenty of Brackets, Plates, Studless Slopes. Some Horns, Clip Plates, Wedge Plates, and Female Mixel Joints. A Tile, and aFemale and Male 2x4 Hinge Plate.
Build. I was going to use the 2x4 Hinge Plates as the core of this build but decided against it.
Can you build something -- a frame, station, or starship -- right away? Yes. (+5)
Is it below, at, or above the golden ratio? Below. (+5) (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+).