Tileable Science, a book of science prints where you can place them on top of each other. For the red/green science you need to input iron and copper. For Military science you need to input iron, copper, stone, and steel. For blue you need iron, steel, red circuits, and solid fuel. For purple you need iron, steel, stone, stone brick, green circuits, and red circuits. For yellow you need iron, copper, steel, plastics, green, red, and blue circuits, batteries, and lube.