Image Item No. Description  2605c01  Brick, Modified 1 x 2 x 2 1/3 with Spring Unit (Shock Absorber) Catalog: Parts: Brick, Modified  4595  Brick, Modified 1 x 2 x 2/3 with Studs on Sides and Extended Stud Receptacle Catalog: Parts: Brick, Modified  4748  Brick, Modified 2 x 4 with Coupling, Female Catalog: Parts: Brick, Modified  6249  Brick, Modified 2 x 4 with Pins Catalog: Parts: Brick, Modified  52040  Brick, Modified 12 x 12 with 3 Pin Holes on each Side and Axle Holes in Corners Catalog: Parts: Brick, Modified  6042  Brick, Modified Octagonal 2 x 2 x 3 1/3 with Side Studs Catalog: Parts: Brick, Modified  6042  Brick, Modified Octagonal 2 x 2 x 3 1/3 with Side Studs Catalog: Parts: Brick, Modified  6032  Brick, Modified Octagonal 2 x 3 x 1 2/3 Sloped Catalog: Parts: Brick, Modified  6032  Brick, Modified Octagonal 2 x 3 x 1 2/3 Sloped Catalog: Parts: Brick, Modified