Image Item No. Description  4920  Technic, Brick Modified 1 x 2 with Rotation Joint Pin Catalog: Parts: Technic, Brick  80431  Technic, Brick Modified 1 x 2 x 1 1/3 with Rotation Joint Socket Catalog: Parts: Technic, Brick  57908  Technic, Brick Modified 2 x 2 with 2 Ball Joints Catalog: Parts: Technic, Brick  17114  Technic, Brick Modified 2 x 2 with 2 Ball Joints and Axle Hole Catalog: Parts: Technic, Brick  57909bpb01R  Technic, Brick Modified 2 x 2 with 6 Holes Ball Joint and Axle Hole with Dark Green Hatch with 2 Gold Screws Pattern (Sticker) - Set 70735 Catalog: Parts: Technic, Brick  47431  Technic, Brick Modified 2 x 2 with Axle Hole, Rotation Joint Ball Half Vertical, and Fist Catalog: Parts: Technic, Brick  57909bpb01L  Technic, Brick Modified 2 x 2 with Ball and Axle Hole with 6 Holes in Ball with Open Hatch with Red and Yellow Wires Pattern (Sticker) - Set 70735 Catalog: Parts: Technic, Brick  57909pb01L  Technic, Brick Modified 2 x 2 with Ball and Axle Hole with Black Fang and Bolted Plates Pattern Model Left Side (Sticker) - Set 70012-2 Catalog: Parts: Technic, Brick  57909pb01R  Technic, Brick Modified 2 x 2 with Ball and Axle Hole with Black Fang and Bolted Plates Pattern Model Right Side (Sticker) - Set 70012-2 Catalog: Parts: Technic, Brick  57909  Technic, Brick Modified 2 x 2 with Ball Joint and Axle Hole Catalog: Parts: Technic, Brick  57909b  Technic, Brick Modified 2 x 2 with Ball Joint and Axle Hole with 6 Holes in Ball Catalog: Parts: Technic, Brick  57910u  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole (Undetermined Type) X Catalog: Parts: Technic, Brick  62712  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Angled Forks with Flat Ends and Open Sides Catalog: Parts: Technic, Brick  57910  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Angled Forks with Round Ends and Open Sides Catalog: Parts: Technic, Brick  67696  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Closed Sides Catalog: Parts: Technic, Brick  92013  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides Catalog: Parts: Technic, Brick  92013pb001  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides with Danger Stripes and 'CRUSHING DANGER' Pattern (Sticker) - Set 7984 Catalog: Parts: Technic, Brick  92013pb002L  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides with Yellow Grille and Black Lines Pattern Model Left Side (Sticker) - Set 70327 Catalog: Parts: Technic, Brick  92013pb002R  Technic, Brick Modified 2 x 2 with Ball Socket and Axle Hole - Straight Forks with Round Ends and Open Sides with Yellow Grille and Black Lines Pattern Model Right Side (Sticker) - Set 70327 Catalog: Parts: Technic, Brick  48172  Technic, Brick Modified 2 x 2 with Pin Hole and 2 Rotation Joint Sockets Catalog: Parts: Technic, Brick  48170  Technic, Brick Modified 2 x 2 with Pin Hole and Rotation Joint Ball Half Horizontal Catalog: Parts: Technic, Brick  48171  Technic, Brick Modified 2 x 2 with Pin Hole and Rotation Joint Ball Half Vertical Catalog: Parts: Technic, Brick  48169  Technic, Brick Modified 2 x 2 with Pin Hole and Rotation Joint Socket Catalog: Parts: Technic, Brick  47452  Technic, Brick Modified 2 x 2 with Pin Hole, Rotation Joint Ball Half Horizontal, and Rotation Joint Socket Catalog: Parts: Technic, Brick  47454  Technic, Brick Modified 2 x 3 with Pin Holes, Rotation Joint Ball Half Horizontal, and Rotation Joint Socket Catalog: Parts: Technic, Brick  47432  Technic, Brick Modified 2 x 3 with Pin Holes, Rotation Joint Ball Half Vertical, and Rotation Joint Socket Catalog: Parts: Technic, Brick  18585  Technic, Brick Modified 2 x 4 with Pin Holes and Flywheel Socket (Ninjago Airjitzu Flyer Handle) Catalog: Parts: Technic, Brick