EV motor circuit provided for each team:

• DC Motor
• two AA rechargeable batteries
• AA battery pack for two batteries with an on/off switch
• two alligator clips

Basic car components (team chooses component materials):

• Chassis:
  • stiff, lightweight frame material (cardboard, wood, plastic container, popsicle sticks, etc.)

OR 

• CAD-modeled and 3D printed or laser cut
• Drivetrain (attached to chassis to integrate motor, axles, wheels):
  • pulley system (two pulley wheels, one on motor spindle, one on axle, connected by a rubber band)

OR

• gear system (two rubberband pulleys or interlocking gears, one on motor spindle, one on axle)
• Wheels & Axles:
  • axles (metal, wood, plastic, etc. dowel rods)
  • straws (glue to the bottom of chassis, thread axle through)
  • toy wheels, plastic caps, etc. to attach to axles

Suggested additional materials for class use:

• classroom battery charger and extra batteries
• basic tool kit for the classroom (rulers/tape measures, hammers, screwdrivers, wrenches, pliers, etc.)
• foam core, Styrofoam
• stiff base material (thin plywood, balsa wood, plastic or metal sheeting, etc.)
• hot glue gun and glue sticks
• duct tape, rubber cloth tape
• scissors, utility knives, hand saws
• sandpaper
• markers
• toy/model wheels, plastic bottle caps, spools
• wood, metal, or plastic dowel rods
• cardboard boxes and tubes
• cans (aluminum, tin)
• plastic bottles
• straws
• Popsicle sticks, craft sticks
• rubber O-rings
• rubber bands of various widths
• coat hangers, wire
• silicone or other caulking
• nails
• screws, eyebolts
• miscellaneous extra materials provided by the teacher and students