LED+AA Holder
Switch+LED+AA Holder
Motor+AA Holder+Switch
Push Switch+AA Holder+LED
Buzzer+Push Switch+AA Holder
LED+9v Battery+Resistor
Buzzer+9v Battery+Push Switch
LED+Switch+9v Battery+Resistor
Buzzer+Push Switch+9v Battery
Motor+9v Battery+Switch+Fan
DIY Torch Simple
DIY Torch+Fan Combo