Color Changing Paper - Young scientists will use the heat from their hands to make colors disappear on this special paper. Determine if your hands are warm enough to make the color change or if you need a little friction to warm up. We'll show you how to use this color-changing paper to develop a hidden message and make your hand print appear right before your eyes. Pour a Color - Watch as you pour a crystal clear liquid into a cup and it instantly turns red. But wait there's more... Pour the red liquid into the next cup and it turns clear again. A magic trick? Nope. It's chemistry in its finest hour. You'll get to explore the acids and bases and indicators that will amaze your friends and family. Colors of Chemistry - Ahh, the sweet smell of science. Invite your friends over to share in this super smelly but really cool activity. Plug your nose and get ready to make your own red cabbage indicator that will test the acidity or alkalinity of certain liquids.