You make it with pva, water, soap powder and you mix it all together and you get goop you can also add colour to make coloured goop!!
January1 January1
impossible.
you can buy goop at the dollar store and walmart
It's made of this rubbery compound that eats away at foam. That's all I know. So if you want to see foam melt, put Goop on a styrofoam cup. Answer: For a complete review of "Goop" review the MSDS...