Stink Lab Science - Troll Discovery Kit Author:Ian Boyd What preteen isn't into stinky stuff? Kids can perform 11 stinky science experiments with this deluxe kit containing a spray bottle, a 3-ounce package of plaster of Paris, a test tube with a cap, a nose mask, four cotton swabs, and a 16-page experiment book including a glossary of scientific terms. Each experiment teaches a scientific principl... more »e...but kids will just think it's fun!« less