PLUS:

Off-The-Shelf Parts Lists (with full specifications and example suppliers' links to each item). With the - Buy Your Own - option, you may be able to save more money by getting better prices from shopping around, or you may already have these items:

• Electronic Components - needed to populate the Printed Circuit Boards (PCBs)

• Electromechanical Parts - motors, wires, switches, fuses, speaker, etc. 

• Electronic Modules - microcontroller, accelerometer, SD Card read/writer, audio amplifier, power supply

• Mechanical Parts - nuts, bolts, washers, spacers, stand-offs, springs, rebound rubber, etc.