It's the perfect recipe! Sylvia Branzei's wildly disgusting scientific facts and Jack Keely's zany, totally gross art come together in the latest reissue for the best-selling Grossology series. In the spirit of "stealth learning, " the kid-friendly grossness of Hands-On Grossology invites teachers and kids to enjoy and learn science from a wide range of really gross experiements. Budding Grossologists will be able to get their hands dirty on over 40 projects like: - Pee Pee Capacity - The Peristalsis Pinch - Homemade Deodorant - Fake Snot - The Spit-O-Matic Hands-On Grossology is perfect for "Grossologists" ages 8 and up.