Helmet Space, Flat

Plate Round 1 x 1 with Solid Stud Plate Round Corners 2 x 6 Double Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud Plate 1 x 2 Brick 1 x 3 Plate 1 x 1 x 2/3 with Open Stud Brick Curved 2 x 2 x 2/3 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Technic Pin with Friction Ridges Lengthwise with No Center Slots Tile Special 1 x 2 Grille with Bottom Groove Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] Plate 1 x 4