Just add water to create sticky, slimy, ooey, gooey gloop in different colours and thickness'. Make your own slime! This entertaining kit includes food colouring tablets to make slime in a different colour and any thickness. Just add water to create the most ooey, gooey slime imaginable. GobbledyGoop is safe and non-toxic--the only slime that doesn't require Borax or other additional chemicals. Recommended Age 5+ Gobbledy Gloop is safe and non-toxic and doesn't require Borax or other additional chemicals.One tub makes over 12 litres of slime!