Steve Spangler Science Color-Changing String Slime 32oz Bottle Blue – Heat Sensitive Slime Science Experiment Kit for Kids Explore and Teach Science of Polymers Exciting STEM Activity

Steve Spangler Science Color-Changing String Slime kit features a new formula that contains no glue, no PVA, and no Borax. Just squirt the blue liquid into the bowl of Activator and watch the wiggly strings of slime appear right before your eyes! The pigment in the slime is heat sensitive, so when it warms up to a certain temperature, it loses it color. To bring it back, just put it in cold water. Steve Spangler’s String Slime is safe to touch and twist as you explore to science of polymers. It’s an exciting, hands-on STEM project that is ideal for use at home or in the classroom. You’ll receive one 32-ounce bottle of blue heat sensitive string slime liquid, 60 grams of activator, one blue measuring cup, 4-ounce string slime bottle, and activity guide.