• DIY Tank Accessories Set of 40 Section Tank Track Conveyor, TT Motor, Driving Wheel and Drive Wheel.
• Stardard 40 Section Tread.
• Circumference: Approx 18.5cm/7.28inch, Width: Approx 4cm/1.57inch
• Large plastic tank track, chain-track, great for DIY assemly kits, robotics learning.
• Perfect for All Smart Tank Chasis, and shock absorption designed.

1 Piece Tank Track(2 Pack) 1 Piece Motor(2 Pack) 1 Piece Driving Wheel(2 Pack) 1 Piece Drive Wheel(2 Pack)