I will show you how to make an Lego Mindstorms Car without using any batteries to make it move!
Step 1: You will need:
NXT Mindstorms 2.0 Kit:
2 Electric Mindstorms NXT Motor
2 Technic Axle 9
1 Technic Axle 5
4 Technic Bush 1/2 Smooth
1 Technic Bush
4 Wheel 43.2 x 22 without Pinholes, with External Ribs
4 Tyre 43.2 x 22 ZR
2 Technic Gear 36 Tooth Double Bevel
1 Electric Cable NXT 50cm
If you are not sure what parts you have, visit this website
Step 2: Step 1
Put the 4 Tyre 43.2 x 22 ZR onto the Wheel 43.2 x 22 without Pinholes, with External Ribs.
Step 3: Step 2
Put the 2 Technic Gear 36 Tooth Double Bevel onto the Technic Axle 5, then insert that into the Electric Mindstorms NXT Motor.
Lock it with the
Step 4: Step 3
Insert the Technic Axle 9 into the motor, pop the wheels on, and then lock it with 2 Technic Bush 1/2 Smooth
Step 5: Step 4
Insert the other Technic Axle 9 into the two beams of the motor, locking it with the Technic Bush in the middle.
Again pop the wheels in, and lock it with 2 Technic Bush 1/2 Smooth
The car should take shape
Step 6: Step 5
Connect the Electric Cable NXT 50cm into both motors.
Step 7: Finished!
Now turn the 2 Technic Gear 36 Tooth Double Bevels, the car should also move. Turn clockwise to move forward, anticlockwise to reverse! Simple and fun:)