Quantity   Component name
1 × Raspberry PI 3 Single-board computer, processes images and runs the game
1 × Raspberry Pi Camera Camera for producing images for recognizing blocks and their rotations
1 × Four green LEDs Provide lighting to make the image processing tasks easier
1 × LEGO blocks of various sizes and colour The Pi and the Camera have a LEGO housing, and the letter blocks are also made of LEGOs. LEGO are chosen to simplify image processing.
1 × Camera cover Covers the main unit and provides a centered attachment point for the camera and the lighting LEDs.
1 × Breadboard (and jumpers) for connecting the LEDs to the PI