Image Item No. Description By  32124  Technic, Plate 1 x 5 with Smooth Ends, 4 Studs and Center Axle Hole Catalog: Parts: Technic, Plate 6  3709b  Technic, Plate 2 x 4 with 3 Holes Catalog: Parts: Technic, Plate 5  32001  Technic, Plate 2 x 6 with 5 Holes Catalog: Parts: Technic, Plate 4  3738  Technic, Plate 2 x 8 with 7 Holes Catalog: Parts: Technic, Plate 5  32125  Technic, Plate Rotor 3 Blade with Smooth Ends and 6 Studs (Propeller) Catalog: Parts: Technic, Plate 1  2712  Technic, Plate Rotor 3 Blade with Toothed Ends and 3 Studs (Propeller) Catalog: Parts: Technic, Plate 1  69984  Technic, Plate Rotor 6 Blade with Clip Ends Connected (Water Wheel) - Solid Studs Catalog: Parts: Technic, Plate 1