23andMe DNA Test | $100 | Amazon

23andMe’s Health + Ancestry DNA test kit would make for a unique holiday gift, and it’s half off its usual price today for Black Friday. You just provide them with some saliva, and they send you back over 75 reports about your ancestry, your genetic health risks, and a lot more. It’s a bit more to take in than the ancestry-only tests out there, but knowledge is power.