Engineering Vehicles MINI Magic Pen Inductive Children's Truck Tank

Overview
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 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 )
Feature:
This is a novelty inductive tank, follows the line like magic.
If you place the Inductive Tank Toy somewhere else it would run in circles only until it finds the line.

Specifications:
Type: Inductive Car Toy
Material: Plastic, Electronic Components
Power Supply: Built-in Battery (Included)
Features: Car Design, Easy to Play, Optical Sensor, Kids Gift
Size: 8.5cm x 4.5cm x 5cm/3.35" x 1.77" x 1.97" (Approx.)

Package Content
1 x Magic pen
1 x Instruction manual
1 x White paper with black lines