The O-I was Japanese super heavy tank of the second world war. Whether or not an actual prototype was constructed of the massive 150 ton tank is not completely clear, but to this day a single track link still exists for the tank.
Panzerhaubitze 2000 - 155mm Tank Howitzer - Xingbao-XB-06047 (Speed Build Review)
MOC-57728 1/30 Type 3 Chi-Nu Japanese Medium Tank
Admiral Hipper Class Cruiser ”Mainz“ - 2in1 Model Scale 1:300(1909PCS)
MOC-163191 C-5 GALAXY, Cargo - 1/300 Scale Active US Military Transport Aircraft Model(367PCS)
MOC-75498 1/325 Scale Mega Express Compatible with 10294(1896Pcs)
MOC MILITARY SERIES – Joy Bricks
5391PCS MOC-144534 10305 Knight's Castle Modular Expansion – Joy Bricks
LEPIN KING XINGBAO MOULDKING DECOOL SY SEMBO bricks building blocks – Joy Bricks
MOC-109223 707 Jet Plane Model(1603PCS)
Sturmpanzer A7V Cardboard Tank 1/72
PAVEHAWK MH-60G Military Copter Model(1183PCS)
5391PCS MOC-144534 10305 Knight's Castle Modular Expansion – Joy Bricks