To try and stay connected to their childhood and all things nostalgia, millennials will hold onto random things that were once a huge part of the era they grew up in. Millennials who can't let go of their childhood almost always keep these 11 random things:1. Old video game consolesrobtek / ShutterstockMost millennials who can’t let go of their childhood will keep things like old video game consoles that they used to use. Collectible card packsPatrick Hatt / ShutterstockKeeping old collectible card packs can be a way that some millennials choose to hold on to their childhood memories. YearbooksThe Image Party / ShutterstockSometimes, millennials will keep certain things for purely no other reason than to keep old memories from their childhood.