My kids still haven’t made up their minds about their Halloween costumes this year. Hello, kids! Time for a decision! And now that I’ve been scouring Pinterest for ideas, the geek in me is coming out. I’m hoping at least one of mine will choose one of these amazing geeky Halloween costumes for kids.

While Cosplay isn’t part of our lives (yet?), I still think it would be pretty fun to go door-to-door collecting candy with Finn the Human or a Dalek one of these years.

So, fellow geeky parents, check out these awesome and not-too-hard Halloween costumes. I’m pretty sure you can pull these off for our kids.

Or for you. We won’t judge.

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Top photo credit: One Half World 

Related: Super-easy last-minute costumes you can make in 10-minutes or less

Geeky Halloween costumes for kids: Dr. Who by Keelhaulrose2 on Buzzfeed

Dr. Who by Keelhaulrose2 | Buzzfeed

The king of all geek culture has to be The Doctor. Rather, the lord of all geek culture. If you’re a fan, you’ve probably got a sonic screwdriver lying around the house somewhere, which can cap off a raid on mom and dad’s closets for the rest of the look.

Geeky Halloween costumes for kids: Finn the Human from Adventure Time

I’m pushing hard for a Finn the Human to join me trick-or-treating this year. I love this handmade costume I spotted on Pinterest, which uses the shape-shifting Jake as the trick-or-treat bucket. If you don’t think you can pull off a DIY like this one, you can find some inexpensive ones at our affiliate Amazon. (Note: we couldn’t find the correct source for this photo. If it’s yours, please let us know so we can credit you properly!)

Geeky Halloween costumes for kids: New-sew Baby Mandrake costume at True Blue Halloween

This new-sew baby Mandrake costume we featured at Cool Mom Picks — with a free printable at True Blue Halloween — couldn’t be easier for Harry Potter fans. Just be sure to plug your ears if your baby mandrake happens to scream. You know what will happen if you don’t.

Related: 7 helpful tips for taking great Halloween pics of your kids

Geeky Halloween costumes for kids: Baby Tyrion Lannister, photo by Leniebelle Gallardo

We did an entire roundup of Game of Thrones costumes for kids over at Cool Mom Picks, from Jon Snow to Khaleesi to an Iron Throne stroller. But this baby Tyrion Lannister, snapped by mom Leniebelle Gallardo, is absolute perfection — from that Hand of the King pin to the Blackwater scar. This kid drinks (a bottle) and knows things.

Geeky Halloween costumes for kids: Pokeball at Say Yes

Got 10 minutes and some scraps of felt? Then you can easily pull off this simple Pokeball costume we found at Say Yes. But don’t limit this idea to your adorably chubby baby. A pair of white jeans and red t-shirt will make this work for any member of your family.

Geeky Halloween costumes for kids: R2D2 at Under the Sycamore

All you need is one of mom or dad’s plain white tees and a blue marker to make this DIY R2D2 we spotted over at Under the Sycamore. Sure, it may not be as fancy as the store-bought version, but we think it’s pretty awesome.

Related: 13 super easy no-sew costumes for babies and toddlers

Geeky Halloween costumes for kids: Ghostbusters at The House that Lars Built

Last year I geeked out over this adorable Ghostbusters costume at The House that Lars Built, which we shared in our post on easy Halloween costumes made from PJs for kids. You can age this one up with leggings and a t-shirt (we’d start by checking Primary), instead of the onesie. And if you’re worried about those hard-soled shoes being uncomfortable for a baby, try the penny loafers at Freshly Picked instead.

Geeky Halloween costumes for kids: Elliott and E.T. at And We Play

Now that my kids are finally old enough to watch E.T.: The Extra-Terrestrial, it was our movie night choice recently. And I’m hoping one of my kids decides they want to be Elliott, because this costume at And We Play couldn’t be easier. You still have time to get an E.T. plush doll from our affiliate Amazon before Halloween, or you could just wrap up any brown stuffed animal. It will be dark. No one will notice.

Related: Notable women in STEM Halloween costumes for kids

Geeky Halloween costumes for kids: Rey from Star Wars at Chasing Fireflies
You can probably pull off a pretty amazing Rey costume with some help from one of the million Pinterest tutorials out there, but it’s hard to beat the convenience of this costume we found at Chasing Fireflies. It’s even on sale right now, making it worth the splurge since our kids would be happy to find any excuse to wear this long after Halloween is over.

Geeky Halloween costumes for kids: Dalek at One Half World

If your kid tends to side with the bad guy instead of the hero, they’ll love this kids’ Dalek costume at One Half World. There are hundreds of amazing Cosplay Dalek costumes on Pinterest, but this one stood out to be because it looked so do-able. And with Nicole’s step-by-step tutorial, it might actually be. Just save your Amazon boxes!

Geeky Halloween costumes for kids: Eleven from Stranger Things at Say Yes

You’ll just have time to binge Stranger Things 2 before Halloween starts, and you can get prepped by dressing your toddler up in this DIY Eleven costume we found at Say Yes. Feeling extra crafty? Attach a strap to that Eggo box to use as her trick-or-treat bag for the night.

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