What's included in the four kits:
Mousey the Junkbot:
# 2 - Standard Motor
# 1 - DPDT 5V Relay
# 1 - Audio Op-Amp
# 2 - Infrared Optical Sensor
# 1 - SPDT Toggle Switch
# 1 - SPDT Snap Lever Switch
# 1 - 9V Battery Snap
Connector
# 1 - PN2222 NPN Transistor
# 1 - 1.0k Resistor
# 1 - 10k Resistor
# 1 - 22uF Capacitor
# 1 - Standard Green LESolarRoller:
# 1 - 37 x 33mm Polycrystalline Solar Cell
# 1 - 2.0V Voltage Trigger
# 1 - 2N3904 NPN Transistor
# 1 - 2N3906 PNP Transistor
# 1 - 2.2K Resistor
# 1 - 0.33F Gold Capacitor
# 1 - Metal Cassette Mechanism
Trimet:
# 1 - 37 x 33mm Polycrystalline Solar Cell
# 1 - Metal Cassette Mechanism #2
# 1 - 2.0V Voltage Trigger
# 1 - 2N3904 NPN Transistor
# 1 - 2N3906 PNP Transistor
# 1 - 2.2K Resistor
# 3 - 4700uF Electrolytic Capacitor
Beetlebot:
# 2 - Standard
Motor
# 2 - SPDT Snap
Lever Switch
# 1 - 2 x AA Battery Holder (wire leads)
# 1 - SPDT
Slide Switch