Quantity   Component name
1 × Kaleidoscope http://amzn.to/2iXL3Bb
1 × Raspberry Pi Zero
1 × Stepper Motor http://amzn.to/2w19ZsI
1 × Stepper Motor controller http://amzn.to/2vGfSAh
1 × or Arduino Uno + CNC shield http://amzn.to/2w147js