Enlighten Magic Pen Inductive Car Children's Train Tank Toy Car Draw Lines

Features:
This is a novelty inductive car, which follows the marker line like magic.
If you place the Inductive car somewhere else it would run in circles until it finds the line.
The Toy has an optical sensor that reads the black line drawn on a white piece of paper.
The line thickness should not be under 4mm and not overrun 10mm, Non sharp-angled line.
Will make perfect gift for your little child.

Description:
How to play:  
Use an ordinary dark colored crayon or marker to draw a line on a white piece of paper.  
Turn on switch on the button of the car.  
Place car on top of the drawn line.  
The car will run on the line automatically.  
If the line finished, the vehicle will continue in the direction followed from the previous line.  
If the line is too thin, the vehicle may stray off the line, please make the line thicker (the line should be a quarter inch thickness)

Specification:
Material: ABS
Pattern: engineering vehicle, truck, car, train
Color: random(We don't offer color or pattern choice, the product will be sent random.)
Power: 4 x AG 13 button cell
Size:  85*45*55mm

Package included:
1 x inductive toy
1 x Magic pen
1 x Instruction manual
1 x White paper with black lines
4 x battery