These have been around forever but never fail to delight me. I think my adult self needs to pop out and get one of my own.
Even if they can't pronounce "mitochondria" yet, they'll appreciate the funny squiggles!
There wouldn't be cookies in the first place without the science of baking. Celebrate it!
You don't need a doctorate to look like the smartest person your friends have ever met, you just need a really cool lamp.