retro ones red and blue

How can I activate the red ones, and then the blue ones, from bellow : r/redstone

Six Killed as Mexican Police Attempt to Break Up Week-Long Teachers’ Protest retro ones red and blue What ‘Taking Back Control’ Means for Trade and Jobs retro ones red and blue Iranian Footballer Suspended for Donning 'SpongeBob Squarepants Trousers' retro ones red and blue Man Throws Rotten Pork Meat At Mosque In Hate Crime retro ones red and blue

retro ones red and blue Gold White Black Red Blue Beige Grey Price Rose Orange Purple Green Yellow Cyan Bordeaux pink Indigo Brown Silver