This is a 4-pack of female spade terminal ends (F2 Terminals, 0.250" FASTON receptacles) and heat shrink.
Interstate 12 Volt 26 Ah Sealed Lead Acid Battery (SLA). Nut and Bolt Fastener Lug.
This is an Enclosed 4-wheel drive remote control robot kit. It uses four powerful wheelchair motors and the inside robot cavity has plenty of room for electronics.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.