Launcher, Technic Competition Cannon, Round Bottom with Same Color Ends

Technic Pin with Friction Ridges Lengthwise and Center Slots Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Technic Axle Pin with Friction Ridges Lengthwise Brick Curved Inverted 6 x 1 Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Socket Plate Special 1 x 2 Side Handle [Free Ends] Plate 1 x 2 Brick Sloped 45° 2 x 3 Technic Brick Special 2 x 2 with Pin Hole, Rotation Joint Ball Half [Vertical Side] Tile Special 1 x 2 Grille with Bottom Groove Technic Brick 1 x 2 with Axle Hole Type 2 [X Opening]