Struggling to find the perfect holiday gift for your favorite nerd? Your friends at HuffPost Science are here to help. We've rounded up 18 fun science-themed gift ideas--from $9 stocking-stuffer socks to a voyage to the edge of space ($75,000). There's something here for every geeky friend and family member on your shopping list.
Scroll down to see them all--and please feel free to share more geeky gift ideas with us in the comments.
Don't forget to visit the HuffPost Gift Guides page for other gift-giving ideas.
Still stumped about what may make the perfect holiday gift? Check out more science-themed gift ideas in the slideshow below.