90s Day Costume Ideas for Kids

There's an age split to be aware of for 90s Day. The "90s kid" look — the one most schools are going for — is the elementary and middle school aesthetic of the era: bright colors, denim, high ponytails, and playful accessories. The "90s baby" look skews toward the older teen styles: baggy jeans, band t-shirts, chokers, and grunge flannel. For elementary school spirit week, lean toward the colorful 90s kid approach. For girls, the core look is a scrunchie in the hair (high ponytail or double buns), a denim piece (overalls, a denim vest, or a jean jacket), and something bright or tie-dyed underneath. Add butterfly clips in the hair if you want extra authenticity. Platform shoes are iconic but impractical for school — regular sneakers are fine. For boys, a backwards baseball cap, baggy jeans or cargo pants, and a graphic t-shirt or bright windbreaker is peak 90s. A fanny pack worn across the chest (not at the waist — that's the 80s version) adds instant 90s cred. Fresh Princeera bright patterns and geometric prints also hit the mark. The fanny pack is the most versatile single accessory for this theme. It's unmistakably 90s, it's functional (kids can actually carry stuff in it), and it works again for Tourist Day and 80s Day. Neon or geometric-print fanny packs are the most recognizable.

Raid the closet before shopping — the 90s look is built from normal clothes styled a specific way. Overalls if you have them, jeans with a flannel shirt tied around the waist, or a denim jacket over a bright t-shirt all read as 90s without buying a thing. Fanny packs can be faked with a small zippered pouch on a belt or ribbon worn across the chest. But honestly, fanny packs are so cheap now ($5-8) that DIYing one barely saves money. For butterfly clips, cut small butterfly shapes from colored paper and tape or glue them to bobby pins. For slap bracelets in a pinch, wrap colorful duct tape around a strip of thin cardboard cut from a cereal box — it won't snap like a real slap bracelet, but it looks the part. The easiest zero-purchase 90s look: jeans, a flannel shirt (tied around the waist or worn open over a white tee), hair in a high scrunchie ponytail, and a backwards hat from the coat closet. That's 90s enough for any school hallway.