Become a science whiz right in your own kitchen; From the Manufacturer; Power Tech Super Chem offers 100 kitchen activities in chemistry include balloon trick gas cannon making a geyser cleaning old coins cola volcano removing an egg s shell without touching it making soap bubble solution making invisible ink making cheese potato stamp finding iron in cereal and many more.PROP 65 WARNING: This product can expose you to some kind of chemicals which is known to the State of California to cause cancer For more information go to www.P65Warnings.ca.gov SKU:ADIB0046CIMI0