This is a D2-1 DIY Intelligent Line Follower Tracking Smart Car and its follow black line. you need to have some knowledge of electronics and ability to finish this robot.
Easy to make and there is haven't manual to complete this robot.
Specifications
Battery Type
2 x AA Batteries (Not included)
Operating Voltage
3V
Package
1 x D2-1 DIY Intelligent Line Follower Tracking Smart Car PCB
1 x D2-1 DIY Intelligent Line Follower Tracking Smart Car Components
1 x Line Following Track