This stunning U-Boat has roughly 15,000 LEGO pieces and removable hull panels - The Brothers Brick | The Brothers Brick
German Submarine Type VIIB U-Boot - 800 pieces (Small Army II WW) | COBI
WW2 German Military Submarine U-48 MOC Brick Set – Toy Brick Lighting
Cobi 422 PCS HC WWII / 4828 / U-BOOT U-47 VIIB...
Model building kit compatible with legomilitary submarine U boat 3D blocks Educational model building toys hobbies for children|compatible with lego|building toyseducational blocks - AliExpress