• LEGO MINDSTORMS EV3 robot, such as the 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 EV3 Software version 1.3.1, available for free at https://www.lego.com/en-us/mindstorms/downloads/download-software
• computer, loaded with EV3 1.3.1 software

Alternative: LEGO MINDSTORMS NXT Set:

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 Base Set
• computer loaded with the NXT 2.1 software