To freely rotate the work plane, right-click on your mouse, hold and drag. The new design will have a random name assigned to it in the upper left corner, above the tracking pad. To change the name/make it easier to find files, click on the "Design" tab next to the Tinkercad ...
Attach the pulley and wheels to the end of the axles. Be sure to glue or tape them on so that they rotate with the axle as it turns. If not attached to the axle it will spin inside the wheel or pulley and the car will not move. Attach the hobby motors to the foam board using ...