Please note what type you wanted:

A: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 2Pcs Silver Bearing WheelsB: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 2Pcs Gold Bearing WheelsC: 1Pcs Plastic Track + 1 Silver Driving Wheel + 3Pcs Silver Bearing Wheels

D: 1Pcs Plastic Track + 1 Silver Driving Wheel + 5PcsGoldBearing Wheels

E:1Pcs Plastic Track + 1 Silver Driving Wheel + 4Pcs Silver Bearing WheelsG: 1Pcs Plastic Track + 1 Silver Driving Wheel + 5Pcs Silver Bearing Wheels
Bearing Wheel parameters:

– Title: Metal bearing wheels–Color: silver or gold–Material: Aluminum–Type: with connectors–Size: 31.85 * 48.3 (diameter) * 34.08 (connector) mm
Driving Wheel Parameter:
–Name: Metal wheels–Color: silver or gold–Material: Aluminum–Type: with connectors
Track parameters:
–Name: Track–Material: Plastic–Color: Black–Size: 4.5cm * * 78cm / stripe (about 100joint)
Package included:
A: 1 Pcs Plastic Track + 1 Silver Driving Wheel + 2Pcs Silver Bearing WheelsB: 1 Pcs Plastic Track + 1 Gold Driving Wheel + 2Pcs Gold Bearing WheelsC: 1Pcs Plastic Track + 1 Silver Driving Wheel + 3Pcs Silver Bearing Wheels

D: 1Pcs Plastic Track + 1 Silver Driving Wheel + 5PcsGoldBearing Wheels

E:1Pcs Plastic Track + 1 Silver Driving Wheel + 4Pcs Silver Bearing WheelsG: 1Pcs Plastic Track + 1 Silver Driving Wheel + 5Pcs Silver Bearing Wheels