Brick, Modified 2 x 4 with Wheels Holder, Trans-Clear Bottom

Brick, Modified 5 x 12 with 1 x 2 Cutouts and 3 Holes on Side with 2 Fixed Rotatable Friction Pins (45403 / bb1241)

Brick, Modified 1 x 1 x 1 2/3 with Studs on 3 Sides

Brick, Modified 2 x 4 - 1 x 4 with 2 Recessed Studs and Thick Side Arches

Stein, Modifiziert 1 x 1 x 2 mit quadratischem Loch

Brick, Modified 1 x 2 x 2/3 with Studs on Sides and Extended Stud Receptacle

Stein, Modifiziert 1 x 4 mit Mauerwerk Profil

Brick, Modified 1 x 1 with Studs on 2 Sides, Adjacent

Brick, Modified 1 x 1 x 3 with 2 Clips (Vertical Grip) - Hollow Stud