36914: I-Strut 15 Black
36323: Single Rivet 4 MM Red
31982: Spring Cam
fischertechnik I-Strut with hole 45 for optimal structural strength. I-Strut with bore 45, silver
36923: I-Strut with Bore 75 Black
38423: Angle Block 10 X 15 X 15
31848: Strut Adapter Red