Each group needs:

• breadboard
• K2 power supply, such as this breadboard power supply module at Amazon
• 9V DC batter power cable barrel T-type connector, such as available at Amazon
• 9V battery
• 5 resistors: 52.3 kOhms, 28 kOhms, 10.5 kOhms, 12.1 kOhms, 14.7 kOhms; such as from a pack of 525 for $11 at Amazon (Elegoo 17 values 1% resistor kit assortment, 0 ohm-1M ohm)
• 3-5 wires
• voltmeter
• access to computer with Internet access, to look up vocabulary word definitions
• Electronic Circuit Worksheet, one per student
• (optional) calculator, preferably Ti-Nspire
• (optional)  Breadboard Visual Aid