Cells use the information in our genes to make proteins, which are used for many functions, including transporting materials, providing cell structure, communicating with other cells, and facilitating chemical reactions.
Enzymes are a type of protein that facilitate various chemical reactions that the cell needs.
This is a simple experiment to show how enzymes work. Try their website. Prepare the Jell-O or other gelatin product according to the package directions. Each small box of Jell-O is the equivalent of one packet of unflavored gelatin. Cool until set.