Quantity   Component name
1 × sock monkey https://www.amazon.com/gp/product/B0013JEAO4/
1 × heating pad https://www.adafruit.com/product/4308
1 × lipo battery https://www.adafruit.com/product/258
1 × micro-lipo charger thingy https://www.adafruit.com/product/1904
1 × vibrating disk motor
1 × microcontroller, maybe
1 × switch I originally thought a tilt switch, but I don't want it to be a mystery whether it's on or not. I think I will put a squeezable switch in his paw.