Each group needs:

• LEGO EV3 USB Cable or Bluetooth
• bungee cord or spring
• hooked weight set
• clamp-stand
• clamp
• cardboard platform, 5" x 4"
• MMM Worksheet, one per student

To share with the entire class:

• projector to show the MMM Presentation
• 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

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