When designing a LEGO tank you need to pay attention to a few important things:
1) General form
2) Turret
3) Continuous track
4) Color

So I have collected for you some good ideas to help you think about how to design your tank.

 

 

lego tank Heavy-Tank-01 Scorpion Tank "Flatfish" Heavy Tank Rose III tonk BLAST 'EM Canadian Armed Forces "Gryphon" MBT tiger I lego moc tank Aspis Tank - side Wolverine Tanks Lego Custom Tiger Tank At the Edge of the Future Main comet Panther Ausf. G1 Tank - Left Side Leopard 2N [Strv. 124] LEGO - Light Tank System