Oh Elmer's I love you. I bought a ten pack of glitter glue and five of the tubes are not glittery and one of the opaque 3-D tubes is black. I made an elephant card for Ennio by drawing the elephant with the black gluepaint and it turned out so great. I should have taken it to school and scanned it but I put it in the mail box already. Elmer's glitter glue is superior to Crayola glitter glue but I heard somewhere they were owned by the same company. Maybe it's just the tips that don't clog. The black stuff has a sheen to it like an oil spill too.