fischertechnik I-Strut with hole 45 for optimal structural strength. I-Strut with bore 45, silver
31982: Spring Cam
31848: Strut Adapter Red
38423: Angle Block 10 X 15 X 15
36923: I-Strut with Bore 75 Black
36293: Angle Girder 120 Black
38240: Building Block V 15 Corner