Mini Inductive Tank, 1 piece Train Toy Running Along the Line Drawn by Magic Pen-Good, Great gift for kids by Sportsvoutdoors

Great feature:
  ∆Powered by 4 x AG 13 button cell (not included).
∆this is a novelty inductive tank, follows the line like magic.
∆turn on the power switch and the Magic Tank Toy can move atomatically.
∆if you put the Inductive Tank Toy somewhere he would run in circles only until it finds the line.
∆Children's toy tank has an optical sensor that reads the black line drawn on a white sheet of paper.

NOTE:
The line: not less than 4 mm, no overflow 10 mm, no acute-angled line.

Specifications：
Material: Plastic
Dimensions: 3.14 in x 1.18 in x 1.96 in
Weight: 4.94 oz

How to play: 
*Use an ordinary dark colored crayon or marker to draw a line on a white piece of paper.
turn on the switch on the car key.
*Car seat on top of the drawn line.
*The car will run on the line automatically.
*If the line is finished, the car will continue in the direction follows from the previous line.
*If the line is too thin, the vehicle may deviate from the line, please make the line thicker (the line should be a quarter inch thick)

Seller Warranty:
Lifetime Support Guarantee
For any possible defective products, please contact us first, we will offer you a replacement or refund you. caring about our clients is the number one priority for us.

Package included:
1 x tank car
1 x Magic Pen
1 x Instruction Manual
1 x white paper with black lines