Image Item No. Description By  32474  Technic Ball Joint Catalog: Parts: Technic 5  32165  Technic Block 3 x 6 x 1 2/3 Catalog: Parts: Technic 198  3713  Technic Bush Catalog: Parts: Technic 3  2850b  Technic Engine Cylinder with Bottom Slots Catalog: Parts: Technic 1  2851  Technic Engine Piston Round Catalog: Parts: Technic 4  47455  Technic Rotation Joint Ball Loop with 2 Perpendicular Pins with Friction Catalog: Parts: Technic 2