Brick Special 1 x 1 with Stud on Side and Conductive Element on Opposite Side

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Special 1 x 2 Side Handle [Free Ends] Technic Axle 2 Notched Plate Round 1 x 1 with Solid Stud Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Brick Round 1 x 1 Open Stud Flag 2 x 2 Trapezoid with Flat Area between Clips Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Brick Sloped 30° 1 x 2 x 2/3 Launcher Trigger, Weapon Gun Trigger Technic Axle and Pin Connector Angled #4 - 135° Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]