The borate ions in saline solution bond with the long polymer chains in glue, causing the mixture to thicken and transform into a stretchy slime. The result is a fun, science-filled sensory play activity! 💡Learn more about slime science and setting up a slime science experiment here. Perfe...
Microwave the gelatin. Once the gelatin has cooled to a thick gel, melt it in the microwave, then let cool to a gel again. Microwave repeatedly until the gelatin has no bubbles, and when a drop acts thick and rubbery.[3] 5 Pour the gelatin onto the fingerprint mold. Once the gelatin...