Each group needs:

• LEGO MINDSTORMS EV3 robot, such as EV3 Core Set (5003400) at https://education.lego.com/en-us/products/lego-mindstorms-education-ev3-core-set/5003400#lego-mindstorms-education-ev3
• LEGO MINDSTORMS Education EV3 Software 1.2.1, free online, you have to register a LEGO account first; at https://www.lego.com/en-us/mindstorms/downloads/download-software
• computer, loaded with EV3 1.2.1 software
• Line-Follower Challenge Pre-Quiz, one per student
• Line-Follower Challenge Post-Quiz, one per student

To share with the entire class:

• Line-Follower Challenge Presentation, Microsoft^® PowerPoint^® file
• computer and projector, to show the presentation
• measuring tape or ruler, to measure the tape
• black electrical tape, to mark the oval course, ~5 ft per oval
• (optional, if floor is dark-colored) large sheet of white paper or plywood, on which to tape ovals

Note: This activity can also be conducted with the older (and no longer sold) LEGO MINDSTORMS NXT set instead of EV3; see below for those supplies:

• LEGO MINDSTORMS NXT robot, such as the NXT Base Set
• LEGO MINDSTORMS Education NXT Software 2.1
• computer, loaded with NXT 2.1 software