[mr_yes]

Contents of FTC Mini-kit (We already received ours):

4 W739096 4" Hub/Tire - pkg of 1
2 W739069 416 mm Channel - pkg of 1
1 W739068 288 mm Channel Pk - pkg of 2
1 W739067 160 mm Channel Pk - pkg of 2
1 W739066 96 mm Channel Pk - pkg of 2
2 W739065 32 mm Channel Pk - pkg of 2
1 W739129 Power Switch - pkg of 1
1 W739088 100 mm Shaft Pk - pkg of 6
2 W739062 L BRKT Pk - pkg of 2
2 W739061 Flat Brkt Pk - pkg of 2
1 W739070 288 mm Bar Pk - pkg of 2
1 W739059 Battery Charger - pkg of 1
1 W739076 220 mm Tube Pk - pkg of 2
1 W739075 145 mm Tube Pk - pkg of 2
1 W739074 80 mm Tube Pk - pkg of 2
2 W739083 DC Motor - pkg of 1
2 W739028 40T Gear Pk - pkg of 2
2 W739086 80T Gear - pkg of 1
2 W739085 120T Gear - pkg of 1
2 W739089 Motor Mount - pkg of 1
1 W739057 12V NiMH Rechargeable Battery - pkg of 1
1 W739090 Gear Hub Spacers - pkg of 2
1 W739079 Motor Shaft Hubs - pkg of 2
1 W739101 3/8L Shaft Spc Pk - pkg of 6
1 W739100 1/8L Shaft Spc Pk - pkg of 12
3 W739193 Tube Plug Pk - pkg of 2
2 W739077 Tube Clamp Pk - pkg of 2
3 W739172 Axle Hubs - pkg of 2
1 W739092 Shaft Collar Pk - pkg of 6
1 W739091 Bronze Bushing Pk - pkg of 12
1 W739097 6-32 1/2 SHCS Pk - pkg of 100
1 W739094 6-32 Nut/w Pk - pkg of 100

It looks like we need:

W731903 TETRIX® DC Motor Power Cable
or perhaps
W736465 TETRIX® Fuse Protected Motor Power Cable

Thanks for your help, I don't know the TETRIX components. :-)