Build a line follower for $20 November 7, 2019December 9, 2019 adminHome Spread the love For the FREE instructions, code and material list to build a line follower for less than $20, please register your name and email and a link will be e-mailed to you. (You will need to buy your own parts.) ORDER NOW. FREE OFFER ENDS Dec 31st 2019. Your Name (required) Your Email (required)