Now that's nasty!

It's the grossest, most revolting science kit out there! Grown your own friendly germs and fuzzy molds. Mix up a batch of coagulating fake blood. Even make a stinky intestine. Learn the science behind unmentionable bodily functions while doing some truly nasty experiments.

Case of 6

Suggested Retail $19.99 each

Best for ages 8+ with adult supervision