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; while one color sensor comes in the core set, additional color sensors can be purchased separately at https://shop.lego.com/en-US/EV3-Color-Sensor-45506
• computer, loaded with EV3 software
• flashlight
• Follow the Light Pre-Quiz, one per student
• Follow the Light Post-Quiz, one per student

To share with the class:

• Follow the Light Presentation, a Microsoft^® PowerPoint^® file
• computer and projector, to show the presentation

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
• computer, loaded with NXT 2.1 software