Robuta

https://makezine.com/article/technology/arduino/linefollowing-arduino-rob/
Kyle writes in about this simple arduino and bulldozer kit robot that follows a projected line: A regular line follower robot consists one to three
line followingarduinorobotmake
https://hackaday.com/2011/08/31/making-a-line-following-toy-into-a-programmable-robot/
[Eric Gregori] picked up this little yellow robot as a kit build. It has a single PCB inside that has a pair of IR emitters and detectors pointed downward at...
line followingmakingtoyprogrammablerobot
https://www.tindie.com/products/idrsldev/idlinebot-line-following-robot/
IDLineBot - Line Following Robot from idrislaode Store on Tindie
line following robotstoretindie
https://www.hackster.io/cytron-technologies/building-a-low-cost-line-following-robot-c4a32e
A step by step guide for a beginner to build a low-cost line following robot. Find this and other hardware projects on Hackster.io.
line following robotbuildingcosthacksterio