ATLANTA CHEMICAL ENGINEERING Low Temperature Cold Activated Thermochromic Bi-Color Pigment YELLOW changing to RED at 59F/15C

Temperature Activated Thermochromic Color Changing Pigment Perfect for Color Changing Slime (Yellow-Red 59F/15C)

LET'S RESIN Thermochromic Pigment Powder Temperature Activated That Changes at 88°F-5 Colors Changing Powder for Nail Polish, Paint, Slime, Epoxy, Resin, Ink, Fabric Art, Casting-3 Gram Each

Sun Activated Photochromic Powder Pigment PINK changing to VIOLET-BLUE when exposed to UV Sun Light Perfect for Color Changing Slime Science Experiments Nails Resin Jewelry