To share with the entire class:

1. a constructed and pre-programmed racer set-up (2 cars); the specific pieces shown in the set-up instructions are available at https://www.lego.com/en-us/service/help/products/themes-sets/mindstorms/connecting-your-lego-mindstorms-ev3-to-bluetooth-408100000007886; purchase the necessary parts for the racer set-up through either of the two following options:

• MINDSTORMS EV3 robot, such as EV3 Core Set (5003400) for $389.95 at https://education.lego.com/en-us/products/lego-mindstorms-education-EV3-core-set-/5003400
• 1 WeDo Resource Set, for $59.95, available at https://shop.education.lego.com/legoed/en-US/catalog/product.jsp?productId=9585&isSimpleSearch=true&ProductLine=WeDo-; includes all remaining pieces shown in the set-up instructions

2. thin nylon twine, 2-3 ft (0.6-0.9 m) length ($3 per 200-300 ft roll)
3. fender washers, 3/16" x 1-1/4" (0.48cm x 3.18cm) x 100-200 pcs ($10 per box of 100 pcs; these may be reused for other LEGO EV3 based lessons that require small quantifiable weights that fit nicely onto axle pieces or nylon twine)
4. Gears Pre-Assessment Survey, Gears Post-Assessment Survey and Pod Racer Activity Workbook, one each per student

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:

• 2 LEGO MINDSTORMS Education NXT Base Sets