777006 Pen Writing Inductive Following Tank

777-006 Pen Writing Inductive Following Tank
1. Use dark colored crayon or marker pen to draw a line on a piece of white paper
2. Turn on the switch of the tank and place the tank on top of the line
3. The tank will automatically run on the line
4. If the line finishes, the tank will continue in the direction followed from the previous line
5. If the line is too thin, the tank may stray off the line
6. The line should be between 4mm and 10mm
7. The tank will stop if run out of battery (4 x LR44 button batteries)
8. Not suitable for children under 5