Mini Cat Line Following Robot - Educational for Kids and Students (STEM) (OT3487)

Solder this line-following robot together yourself. A fun and educational project.
An A4 paper with a black line is included to try out the robot. Of course, you can also draw a black line on a white background to give the robot a greater challenge.
Batteries: 2*1.5V AA (not included) Weight: About 180g
With English manual, easy to assemble.
NOTE: Batteries not included