If the line is too thin; the vehicle may stray off the line. Please make the line thicker .Please don’t play the inductive truck in the sun and near a daylight lamp or on the shining paper, avoid light harm its sensor.
Draw a thick line on a white paper, the tank will run on the line automatically
If the line is finished, the vehicle will continue in the direction followed from the previous line
You can also draw some simple pattern, like a wave
Adapt to play indoors, attract your children stay at home
Perfect gift for your children / Powered by 4*LR44 button batteries (included)