German U-Boat Type XXI: Were a class of German diesel-electric submarines designed during the Second World War. They were the first submarines able to operate primarily submerged rather than spending most of their time as surface ships.
Specifications:
Item#: MMS121 Number Of Sheets: 2 Difficulty: Challenging Assembled Size: 19 (L) x 2 (W) x 3.99 (H) cm Ages: 14+
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