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
• 1 LEGO MINDSTORMS Ultrasonic Sensor, available at https://education.lego.com/en-us/products/lego-mindstorms-education-ev3-ultrasonic-sensor/45504
• 10 - 15 sheets of blank paper
• 1 pound (~450 g) of regular, thick spaghetti (raw, uncooked)
• glue gun
• 1 package of glue sticks
• scissors
• colors, markers or crayons
• Building Our Bridge to Fun Pre-Assessment
• Building Our Bridge to Fun Post-Assessment

To share with the entire class:

• For intro demo: flexible rulers, one per student (alternative: sponges)
• For intro demo: small bag of gravel, such as a 28-oz (~0.8 kg) bag available at pet stores
• For intro demo: 4-pack of Play-Doh^®, available at Target^®, Walmart^® or Amazon.com^®
• Building Our Bridge to Fun Presentation (ppt)
• Paper Bridges: Strength through Form, an Illustrated Teacher's Manual, available at https://www.amazon.com/Paper-bridges-Strength-illustrated-teachers/dp/B0006QX0PK
• 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
• 4 standard mass sets to use as weights, such as a student standard mass set at https://www.enasco.com/p/Student-Standard-Mass-Set%2BTB17619?searchText=student+standard+mass+set; the ideal combined weight is ~600 grams

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
• LEGO MINDSTORMS Education NXT Software 2.1
• computer, loaded with NXT 2.1 software