There is no better way to learn electronics and robotics than building your own robots. The DoodlrBot Kit can help. It is a simple kit that lets you build a robot that doodles in random directions. The kit comes with foam, timer, motor, diodes, resistors, and other parts that you need to get started.
The DoodlrBot is designed to develop STEM skills and introduce users to robotics. It takes only a few minutes to assemble. More information is available here.