Launcher, Technic Brick Special 2 x 4 with 5 Studs, Axle Hole and Pin Launching Lever

Technic Link Tread Wide with Two Pin Holes Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin 1/2 without Friction Ridges Technic Axle Pin with Friction Ridges Lengthwise Plate 1 x 2 Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Cone 1 x 1 [No Top Groove] Plate Round 1 x 1 with Solid Stud Technic Beam 2 x 4 L-Shape Thick Arm Mechanical with Clip [Thin Support] Plate Special 1 x 2 Side Handle [Free Ends] Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)